Mountain Lion Research Helps Lions Cross Southern California Freeways

MOUNTAIN LION RESEARCH HELPS LIONS
CROSS SOUTHERN CALIFORNIA FREEWAYS

by Amy Rodrigues, Biologist and Outreach Coordinator, Mountain Lion Foundation

The abilities of mountain lions to stay hidden and avoid people helps them to survive, but it also makes cougar research a real challenge! While studying the biology and behavior of lions is of value in and of itself, it can also serve significant conservation goals as we learn about the extent and origins of human-caused lion deaths: when lions are intentionally shot for depredation, road-killed on our highways, or succumb to pesticides and other toxins. Recently, I had an opportunity to tag along with Dr. Winston Vickers and Deanna Dawn, dedicated biologists with U.C Davis’ Wildlife Health Center, as they tracked and recaptured one of Southern California’s mountain lions.

At First You Get Lost

On this day of field research, December 14, 2011, I set out from San Diego and headed north at about 8 a.m. I brought some granola bars and water, took a few sips of coffee, and headed out my hotel door. I was to meet up with Dr. Winston Vickers and biologist Deanna Dawn in a coffee shop 100 miles north in the City of Orange.

Winston had listed the cross streets and then given me what I generally call old fashioned directions: “Take I-5 north, after you pass the 261 get off the freeway, go up a few miles, and meet at the coffee shop in the shopping center on the corner.”

I’m 27. I don’t read street signs. I turn when Maggie (nickname for my Magellan GPS) tells me to, and I stop when she says I’ve arrived. Thankfully, she found the cross-streets. But since I was driving from San Diego all the way up to Orange, I didn’t want to risk being late. I was super-excited and more than a little nervous because I’d never seen a wild mountain lion up close before or had the opportunity to participate in this kind of research.

As soon as I got on the freeway I was stuck in gridlock. It literally took an hour to go the 15 miles from the 8 to the 805 to I-5 to leave the main part of San Diego. A little over two hours later, I was finally getting off the freeway in Orange.

I was a little early and there were three coffee shops in the parking lot so I called Winston to let him know I had arrived. He and Deanna were still out in the field and running a little late.

It was mostly a clear day, with a few scudding gray clouds. The temperature was in the mid-60’s. I still felt like I was in the city. I had no idea that the road I was on actually marked the barrier between civilization and lion habitat.

In retrospect, even as a biologist I was — and still am — unable to fully comprehend the confusion and terror that two-year-old lions must feel as they are bullied out of their mother’s home territory, lost and alone, to stand facing a noisy eight-lane freeway, cars and trucks speeding past at 60 miles an hour, and the suburbs beyond. They’ve got no address to a woodland territory that just might exist off the horizon, no directions, no map, no way of knowing that the houses and roads will ever end.

Even lost, I’m lucky.

Once they arrived, Winston grabbed his laptop case out of the back seat as I walked up to the truck. He smiled, we shook hands, and he introduced me to Deanna. I felt welcomed. Both were in baseball hats with associated wildlife organization logos, long sleeved shirts, dusty work pants, and muddy boots.

“We drink a lot of coffee,” Winston said with a smile.

The Southern California Mountain Lion Project

In this busy suburban setting in the shadow of the Santa Ana Mountains, it’s hard to believe that there are still enough wildlands nearby to support California’s keystone predator: the mountain lion. Over coffee, the researchers detailed how they are studying the deaths of mountain lions on Southern California roads.

Vickers explained the driving force behind his research in this way: “We have lost over twenty mountain lions in the Santa Anas to cars alone in the last ten years (those are just the ones we know about). Our work on this with Cal Trans and the OCTCA is going to likely cut that toll dramatically in the future. That is the real on-the-ground impact of research.”

“I was only few minutes away from loud, urban greater Los Angeles, but I felt like I was in the wilderness.
Amy Rodrigues

Research is especially important when it addresses such substantial ecological issues. The Santa Ana Mountain Range is virtually fenced in by the 241, 91, and 261 freeways, leaving an 800 square mile island-like patch of wildlife habitat just large enough to support about 25 adult lions. Young lions who can’t win the fight with a resident adult for real estate are forced to attempt to cross treacherous freeways in order to survive.

A recent interview with cougar biologist Howard Quigley concluded that “the main reason behind cougar decline in the U.S. is habitat loss through degradation and fragmentation. Research shows that cougars need at least 850 square miles of uninterrupted habitat in order to persist with only a low risk of extinction. With urban areas becoming more numerous, many scientists are calling for the expansion of protected habitat corridors so that cougar populations could exist and move without needing to traverse through civilization.” If this is true, then the Santa Ana Mountains are even now right on the edge of viability for mountain lions.

The Orange County Transportation Corridors Authority (OCTCA) and the California Department of Transportation have hired the research duo to figure out where lions and other animals attempt to cross, whether or not animals use the designated wildlife underpasses as intended, and ultimately what may need to be changed in order to avoid future deaths and to help connect islands of wildlife habitat with one another.

Mapping Mountain Lion Movement by Radio-Collar

While we ordered coffee, I remember thinking that the researchers looked a bit too dirty and outdoorsy to be in this cute little coffee shop in a wealthy neighborhood. Little did I know that twelve hours from now I would be back in front of this place with deer blood on my jacket and who knows what on my boots! But Winston and Deanna behaved like regulars with the friendly staff. The woman behind the counter even filled up their canteens with cold water after pouring the coffee.

I was still much too anxious to eat or drink anything. I just wanted to get out there and follow some lions! Our plan was to spend the day driving around to check baited sites (to learn whether lions came to feed on the road-killed deer the researchers left out in the wild), to check camera traps, and to see whether we could download data from any mountain lions along the way: a typical day of research.

Winston started up his computer, and explained that we were running late because they had just downloaded data from M86, one of the study’s radio-collared lions whose collar battery was running low.

Winston began talking about coordinates and pointing at the screen, which I couldn’t see from where I sat across the table. I didn’t want to overstep and wasn’t sure how privy I was to any of the information, so I held my tongue.

A moment later the researchers invited me to come around and have a look.

On the screen I saw a topographic map. I’m not familiar with the region, but I could make out a canyon with a few high ridges. Winston clicked through several drop-down menus and then — suddenly — the map was riddled with dots. Another click and the dots were connected with lines.

There were two clusters: one recorded in the daytime (M86’s daybed sleeping spot) and the other where the lion had stopped in the nighttime.

Spending the whole night in one area most likely means a big cat has recently killed prey and is feeding. Mountain lions cache the bodies of deer for several days. This behavior gives researchers the best opportunity to set a trap for recapture.

Winston pointed at the screen, saying, “This is where we downloaded the data… so he’s right about here, and we could probably set the traps around here.” Deanna agreed.

My eyes lit up, “Traps?”

“Yeah, looks like the plan has changed.”

The researchers explained how this was our best chance to recapture M86 and replace the battery. Winston looked at the clock, adding, “But we’re going to have to work fast.”

We had about five hours until sunset. Finding the location of M86 set a new objective for the afternoon.

Why So Many Roadkills? Cities Meet the Wild

The two researchers started laying out the plan. Deanna would stay back at the shopping center to buy supplies, make some calls, and check their gear for the capture. Would we try to put everything in one truck? No, I would go with Winston to get the traps from a nearby preserve where the researchers keep traps and supplies. We would all meet up at the capture site. They planned rapidly and I wasn’t sure what all of it meant at the time.

On the drive, Winston and I were chatting so much that I didn’t realize when we pulled off and were suddenly heading down a windy narrow road. The brush was thick and green on both sides. There was a hillside on the right and a culvert on the left. About ten minutes later the road opened up into a dirt parking lot in a small clearing, a grassy field with a tent, and maybe a dozen deer.

I was only few minutes away from loud, urban greater Los Angeles, but I felt like I was in the wilderness. The only buildings I could see where a handful of weathered cottages, and the only sounds were chirping birds, one loud crow, and the wind in the trees.

Traps and supplies are kept at several holding places near the study area, so that the researchers can respond rapidly to opportunities such as this one. As we pulled up to a line of empty cage traps behind one of the buildings, the antenna on Dr. Vickers truck began picking up a signal from another one of his collared cats; a young female who lives in the area. We quickly loaded two large traps into the truck bed and then Dr. Vickers grabbed his handheld telemetry device from the back seat to try and pinpoint her signal. If he could get within the line of sight, he could download her GPS data.

It was at this point I realized that “downloading” lion data isn’t just a matter of turning on the computer and clicking the download button. Using what looked like an old television antenna connected by wire to a first generation ’90s cell phone (about the size of a brick), Dr. Vickers programmed the cat’s specific frequency and began walking down a nearby path. Twisting and turning the antenna while holding it high above his head, he listened for the louder beeping that means the cat is close. Once the signal was strong enough, the device would begin downloading the data.

The process is a little like trying to receive a text message with spotty cell coverage, but with a much better arm workout. After about five minutes Dr. Vickers had downloaded the young female lion’s data. Winston thought she might be as close as 30 yards to where we had parked the truck and if she were up in a tree, she could easily have an eye on us. The deer still grazed nearby, as blissfully unaware of the big cat’s presence as we had been.

Winston Vickers seeks the VHF radio signal of a young female cougar nearby. Unlike GPS signals, VHF radio signals are continuous and may be monitored via line of sight antennae in real time.
We hopped back in the truck and turned around to take the 241 tollroad back towards the coffee shop. On the way, Winston told me about all the roadkills on this deadly freeway.

 

Instead of turning into the shopping center we made another turn and entered a park. At the kiosk a ranger waved us through.

Now I understood why there were so many roadkills on the freeways. This wild place was just a few steps from suburban backyards. The mountain range ran right into urban development and the lions didn’t understand the difference.

Finding the Best Place to Capture a Mountain Lion

From the data points downloaded from M86’s collar, we had a rough idea where he was currently sleeping. A few miles in, we crossed over a shallow creek. Dr. Vickers pulled the truck to the side of the road and pointed upstream. This was as close as we could get the vehicles to M86’s feeding site, which was somewhere in the brush along the overgrown riverbank. Perhaps M86 had ambushed a deer that had come down the hillside for a drink. Wrong place, wrong time, for that deer.

As we began unloading the traps from the back of the truck, two senior California Department of Fish and Game (CDFG) wardens pulled up behind us. After brief introductions, I learned that they were along to help out and that they appreciate the research being done by Dr. Vickers’ team. On each trapping outing, they also bring along a couple of rookie wardens to give them a chance to see a mountain lion up close, learn more about their behavior, and prepare them for responding to potential mountain lion calls in the future. Today’s rookies were still en route, apparently stopping along the way to pick up bait for the traps: another wrong place, wrong time deer road-killed nearby that morning.

“It’s not far. Let’s take the traps now,” Winston said. He handed me a pair of work gloves and in two-man teams, the four of us began carrying the traps towards the creek.

CALIFORNIA DFG OFFICER WITH CAGE TRAP

Like a pro, Winston led the way, gripping the trap behind his back with ease while taking long strides up the trail, down the riverbank, across the shallow water on slippery rocks, trudging through the muddy grass, and ducking under branches.

When the brush got especially thick, Winston led us wading in the water straight up the river. Thankfully, my boots passed the water-proof test and I managed to keep up with the back half of his trap.

I was so preoccupied trying to stay in step and not lose my grip on the back of the trap, watching where I was stepping so as not to slip, that when Dr. Vickers paused and whispered, “We’re close; let’s stop here,” I didn’t realize we were already a few hundred yards off the trail and in M86’s prime territory.

I waited with the trap while Dr. Vickers hiked up a bit farther to look for M86’s deer cache. Alone for a moment, I caught my breath. It was quiet, wild and peaceful. Again, all I could hear were birds and the wind.

The two CDFG guys were a good fifteen yards behind and had stopped to adjust their grips on their trap. I motioned to them that this was the spot and we all waited patiently for Dr. Vickers to return.

A short time later he emerged from the bushes. He whispered that he couldn’t find M86’s deer, but that he had found remains of bait he had left out before and had identified a couple of good places to set out our traps. He reminded us to keep our voices low and to say as little as possible. Sounds echo in the canyon, and the last thing we wanted to do was scare M86 away.

Back at the waiting site up the road (where we spent most of the night) the only indication that we were anywhere near civilization was the 241 bridge looming over us, the sound of cars whizzing by, and an occasional truck horn.

Since the study began with the first collaring of a cougar in 2001, 30 GPS-collared cougars have died while circulating in the wild, all but 1 while still wearing GPS collars. One additional individual was shot illegally but recovered.

This figure represents 53.6% of the 56 radio-collared cougars monitored to the point of their death in the wild or being lost to monitoring due to collar drop off or malfunction, or other factors. The majority of deaths (63.3%) involved some sort of interactions with humans (car strikes, depredation permits, illegal shootings, legal shootings, and human-origin wildfires).

Causes of death for radio-collared cougars circulating in the wild were:

Car strikes:
6 of 30 (20%)

Depredation permits:
6 of 30 (20%)

Disease confirmed or strong circumstantial evidence:
5 of 30 (16.7%)

Unknown:
4 of 30 (13.3%)

Illegal shootings:
4 of 30 (13.3%)

Fire:
2 of 30 (6.7%)

Unknown but evidence of trauma of unknown cause:
1 of 30 (3.3%)

Shootings deemed legal due to perceived threat:
1 of 30 (3.3%)

Intraspecific strife:
1 of 30 (3.3%)

The status of collared cougars whose collars dropped off or stopped transmitting prior to recapture, and captured kittens that were never recaptured for GPS-collaring, is unknown. Some of those previously captured and / or collared cougars whose status is unknown are also likely deceased given the mortality rates for collared cougars in the study.”

Baiting Cage Traps for Capture

Dr. Vickers and Ms. Dawn use large cages with bait to trap their research lions. Some researchers use dogs to track and tree the cats, while others prefer snares.

Cage traps are believed by many to put the least amount of stress on the animals. They aren’t chased to the point of exhaustion as is often the case with dogs, nor do they suffer any circulation or nerve damage which are common side effects from being snared for even just a few hours.

To reduce the stress on their lions even more, the cages Dr. Vickers uses are fitted with VHF radio devices. He stays the night parked in his truck within a few miles of the cage, and as soon as the cage is triggered, he receives a signal and heads out to quickly sedate the cat.

If he went home for the night and returned in the morning (which would be far more convenient for a tired researcher), by then the cat would be stressed and likely have broken a few teeth and claws on the cage bars trying to escape. By taking this particularly humane approach, Dr. Vickers reduces the negative effects of capture and collaring on the lives of these lions.

We determined where to place the traps, near the water, about twenty yards apart, on patches of flat ground along what appeared to be game trails. Though lions prefer to stay hidden and hunt from the bushes, they — along with deer and other wildlife — often use cleared trails to traverse the landscape. We lined the bottoms of the traps with leaves and placed large rocks and logs behind the backs.

Deanna and the two rookie CDFG wardens arrived with the fresh road-killed deer. I’ll leave out some of the specifics here for people who may be a bit squeamish. But ultimately we had a brief deer anatomy lesson and separated some of the organs (tasty parts for a lion) and limbs to use as bait in the two traps.

Dr. Vickers took some bait and headed to the other trap while I stayed with Deanna to help bait the closer one. She crawled into the trap and with strands of sturdy wire, began tying the bait to the back of the trap. Afterward, we added more logs outside the back of the trap to prevent the lion from trying to get to the food through the bars.

Apparently, on a previous trapping outing, Winston and Deanna showed up ready to collar a lion only to find that the entire trap was missing. Thinking that someone had stolen their trap, or worse, poached the lion and took the evidence, the researchers immediately notified CDFG and began reviewing images from the motion capture camera they had placed at the site.

The researchers quickly figured out just what had happened. The lion approached the trap, bypassed the obvious trap door and tried to pull the meat through the bars on the back of the trap instead.

Hungry and frustrated, the lion ended up dragging the large trap halfway across the canyon until finally getting it caught up in some bushes. This time, we were sure to place plenty of barrier objects behind the trap to avoid a repeat of that scenario.

Lions generally prefer fresh meat. In the photo above, members of the team dismember a deer carcass which had previously been used as bait. But the team waited for delivery of a deer that had been killed on the freeway just that morning to bait the cage traps. The head and organs of the ungulate are the most tempting to a mountain lion, whose keen sense of smell will lead him to the cage. Road-killed deer are not hard to come by. This is more evidence that nearby freeways pose an ever-present danger to wildlife.
Deanna set up a motion-activated camera on a nearby tree and angled it towards the cage. The images it captured would help tell the story of how the lion came upon the trap, how long it took for him to enter, and would offer insight to help the researchers improve their capture methods.

The traps were fully baited and the cameras mounted. The traps were set and on each door was fixed a small radio device with a pin on a string.

If a lion were to enter the trap and step on the floor plate, the door would drop, tugging on the string and causing the pin to be pulled from the radio device. When the pin is removed, the device begins emitting a radio signal which we could pick up from the truck.

When we heard the “door down” signal, we would return to the site immediately: to sedate M86, change his battery, and let him go free as quickly as possible.

It was now getting dark and with the traps ready for action, we loaded the remaining deer meat into garbage bags (ensuring the only free food would be in our cages) and I helped drag a larger piece of the carcass back to the trucks with one of the rookie wardens. The smell definitely was not appetizing to me, but hopefully the lion would feel differently.

Waiting for a Mountain Lion to Trip the Trap

Back at the trucks, our group cleaned up with baby wipes as best we could and drove a few miles farther up the road to give M86 extra space and quiet. It was time to play the waiting game.

The tracks were difficult to make out, but the researchers are skilled in noting mountain lion sign.

During the first hour, we found some mountain lion tracks in the sand and the CDFG wardens used this opportunity to teach the new guys how to identify mountain lion tracks. We talked about the three-lobed heel versus a dog’s two lobes, the absence of claw marks on feline tracks, overlapping stride, and toe spacing.

An hour later we shared some cookies and granola bars. As time passed it became colder and colder. We all bundled up in our jackets and stood around talking. Dr. Vickers and Deanna shared stories about previous captures, explained how most of their lions end up as road-kill, and debated about what our chances were for catching M86 that night.

Around 9 o’ clock, Dr. Vickers opened his laptop and began showing us some of the maps of his collared cats in the region. We could see where their home ranges overlapped, where they tried to cross freeways, and in one case where a cat walked along the shoulder of the road obviously looking for a place to cross before eventually giving up and turning back. If only he knew that had he walked for literally one more minute, he would have come to a wildlife crossing underpass.

Unfortunately the easiest places for people to build crossings aren’t always in the same locations where lions want to cross. Dr. Vickers pointed out that putting some fencing along this stretch of road might help funnel wildlife to the safer crossing areas.

Still no trap door down.

Another hour passed and it started to rain. Everyone dispersed to their vehicles to get dry and warm. Only Deanna and Dr. Vickers stayed outside; checking their gear and prepping their backpacks in the event we catch M86.

By 11:00 I was cold, wet, and unsure whether I was starving from not having a real meal all day or nauseated from smelling like dead deer. I had finally succumbed to simply watching the clock, since I still had to drive back to my hotel in San Diego and catch a flight back to Sacramento the next morning.

The temperature continued to drop and Dr. Vickers was finally ready to join us in the trucks to get warm. He sat down and warmed his hands over the heater vent. Then he glanced over at me and said, “You know, I’m going to check the signal one more time before I get comfortable. I have a good feeling.”

He stood outside twisting and turning the antenna, holding the speaker close to his ear to listen for the “door down” signal. His eyes lit up and he called Deanna over to confirm what he was hearing. She held the speaker to her ear, smiled, and in an instant our mood changed. Excitement overtook cold exhaustion and we all jumped from our cars, ready to see what was in the cage.

Meet Santa Ana Mountain Lion M86

As we all caravanned back to the closer parking lot, Dr. Vickers handed me a clipboard and asked if I would be comfortable staying by his side during the whole process and recording his notes while he worked on the cat.

I was thrilled! I was hoping to get to stand close enough to observe the sedation and take some photos, but to be up close and entrusted to take notes was truly an honor!

“Yes, of course,” I replied as calmly as I possibly could.

Everyone arrived at the trailhead and Dr. Vickers and Deanna began handing out gear from the back of the truck for everyone to help carry up the river. There were full backpacks, two large tackle boxes with many compartments full of medical supplies, a folded-up tarp to lay under the sedated cat, a pole to inject the cat from a safe distance, a cooler to hold blood samples, an emergency kit, and a few other supply cases.

After a quick double check that we had everything and a reminder to keep our voices low to reduce stress on the cat, we began the single-file hike back up the river. With flashlights and headlamps, we slowly and quietly made our way to the first trap.

Before I realized we had arrived, I heard the low rumble of a growl followed by a few angry hisses. I looked up and in the light of a warden’s headlamp, saw a very angry M86 in the trap that I had helped Deanna to bait. The radio collar around the lion’s neck looked like a formal bowtie, but he was clawing at the bars and hissing as he tried to look tough and scare us away. He was not a happy cat.

M86 hissed and growled at the team from inside the cage trap. Left too long in a cage, wild cougars can break teeth and claws.
We set up shop about ten to fifteen yards away to give M86 some breathing room and keep the crowd at a more comfortable distance for him. With the tarp laid out, Dr. Vickers quickly began unpacking his supplies. As he did so, he explained that the sedative would be given in two to four small doses to avoid over-tranquilizing the cat.

Once M86 was sedated, we would check his vitals (temperature, breathing, pulse, and oxygen) every five to ten minutes to be sure he was doing okay. It was my job to watch the clock and record the data on Dr. Vickers’ capture sheet.

M86 was one of the feistier cats Dr. Vickers had captured. He was agitated, growling, hissing and swiping a paw when anyone approached the cage. The senior wardens told the rookies to take note of this behavior, adding, “He’s afraid, and this is his way of looking intimidating to get us to leave him alone. It looks threatening, but really this guy just wants his space.”

“You might get a call from a homeowner saying there’s a mountain lion in a tree and it’s hissing. This is normal lion behavior and you need to react calmly to the situation. The media shows up and all the cameras are going to be on you so keep a level head,” the other warden added.

I quickly chimed in, “Yeah, and if you shoot a cat for no good reason you’re going to have those Mountain Lion Foundation folks on your back real quick.”

The senior warden smiled, “Yep! Most folks don’t want to see a lion killed. That’s why we brought you here today to get exposure, to see a lion up close, and to hopefully remain calm if you respond to a lion call in the future.”

A month or so prior when M86 was captured for the first time, Dr. Vickers noted that he was pretty scratched up. He appeared to have been in a fight with another cat. Just days before my visit, the research team had captured a larger male lion (M87) in the same area. This was likely M86’s competition.

M87 hadn’t much minded being caged and simply lay there as the researchers approached and sedated him. Unfortunately, M86 was not so cooperative.

The first attempt to sedate M86 failed. He broke the needle and only received a partial dose, but after a few more attempts we were able to properly sedate him and get to work.

Dr. Vickers noted M86’s facial scratches were healing nicely, but he put a little antiseptic cream on them to help the recovery process. M86 was obviously a tough cat and after fighting another lion to keep his home range, it was no wonder he was so upset to be in our cage. To stay alive, he always has to be on guard.

After replacing the battery in the radio collar, Amy Rodrigues takes notes while Dr. Winston Vickers uses the opportunity to check the cat’s eyes, ears and teeth, take blood samples, look through the lion’s fur for external parasites, obtain his weight and blood pressure, look for new wounds and check the healing of prior injuries.

Although M86 was now unable to move, he was still somewhat aware and not completely unconscious, as putting an animal completely “under” is dangerous.

Dr. Vickers decided that trying to carry the cat to the work area would be difficult and add more stress, so we quickly moved the gear to the cage where M86 was finally beginning to get comfortable. To reduce additional stress, Dr. Vickers placed a loose hood over the cat’s head, which helped to block out some of the light and movement. He seemed to relax and his pulse returned to normal levels.

I watched my clock and stayed vigilant with the record-keeping. The lion’s vitals looked good as Dr. Vickers unscrewed the battery compartment on the radio collar and placed a new battery. A few blood samples were drawn and with the help of some straps and a scale attached to a long bar, we were able to get his weight. He was a little light at around 130 lbs but seemed otherwise healthy with few parasites.

When we were finished, but before M86 came out of sedation, I was excited to be able to touch the lion for the first time. His fur was nowhere near like a housecat: courser, shorter, rough and dirty.

The whole process was well organized, efficient and only took about a half hour.

When all the samples were gathered and photos taken, the CDFG wardens helped carry M86 across the stream to a flat grassy area. It was safer for the cat to recover there rather than risk stumbling down the slope and into the water.

As the rest of the crew helped to pack up the gear, I stood with Dr. Vickers over M86 as he began to come out of sedation. Although he was still mostly incapacitated — only able to lift his head and shake a paw — it felt amazing to be this close to a wild mountain lion without cage bars between us.

After M86 began to wake from the tranquilizer, the team tried to use as little light as possible, and to keep quiet, so as not to further disturb the lion.
Instinctually, I felt a rush of adrenaline as M86 got up to his feet. But I still didn’t feel afraid. Perhaps it was from all the years I’ve worked for the Mountain Lion Foundation, letting people know that attacks are very rare and that lions choose to avoid people. And of course I’ve seen mountain lions in captivity on a regular basis.

M86 is a beautiful — really majestic — animal. I’ll never understand how anyone can shoot a lion for fun.

Just as I started to get a little nervous, M86 stumbled and fell face-first back into the grass. He slowly began to get up again and took a few more steps. We watched as the drugs wore off and M86 regained his balance.

“OK. I think we should head out now,” Dr. Vickers whispered.

We backed away slowly and made our way to the group hiking back up to the truck. They had taken all the extra deer meat out of the traps and left it close by to ensure that M86 got a good meal that night.

At the End of A Long Day

Back at the cars we were all still pumped from the excitement but got the gear loaded, said our goodbyes and headed on our separate ways. Dr. Vickers dropped me off at my car back at the coffee shop and I thanked him again for the amazing experience.

What a thrilling yet exhausting night! I didn’t get back to my hotel room until 4 a.m. with just enough time to shower, pack, and get to the airport to catch my flight.

I don’t know how mountain lion researchers have the energy to do this night after night, but I sure appreciate that they do! Their data helps us better understand this mysterious cat and puts us one step closer to ensuring the species’ survival for generations to come.

Last I heard, M86 was still alive and well, and still defending that same territory from M87, the bigger male. Dr. Vickers emailed me recently: “We’ll keep our fingers crossed on 86, but all of the cats we’ve collared in that area occasionally cross the freeways at unsafe points.” With more than 75% of lions in this range dying at human hands — road-kill, poachers and depredation — I’m glad he’s beating the odds.

Research Scientists Deanna Dawn and Dr. Winston Vickers with Mountain Lion M86.

Mountain Lion Track Identification

Mountain Lion Track Identification

01/30/12 A 2-minute video by MOnatureVids

Missouri Department of Conservation Resource Scientist Jeff Beringer discusses the markings on the paw of a sedated Mountain lion and how to id tracks. This male cougar was released at Current River Conservation Area after it was mistakenly live trapped by a Centerville, Mo., trapper. It weighed 122 pounds and was estimated to be two years old.

Who Owns the Wildlife?

Who Owns the Wildlife?

Guest Commentary by John W. Laundré, Cougar Biologist
State University of New York at Oswego

A cougar biologist takes a strong stand on the real value of wildlife. In this important opinion piece, John Laundré considers the public cost of wildlife mismanagement, and the consequences of bureaucratic decisions that fail to consider the public good and the intrinsic value of wild predators.

 

More and more we as a society are facing problems with how wildlife of all types are managed in the United States. We see increasing conflicts and polarization between hunting and anti-hunting groups. On the one side, invoking the pioneer tradition of our ancestors, hunting groups contend that the right to hunt is undeniable and is essential to the sound management of our wildlife resources. On the other hand, anti-hunting groups contend that the need to kill wildlife animals is no longer justified and hunting represents a next to barbaric act against living, feeling animals.

Long line of hunters on a mountain trail.

Long line of hunters walk a mountain trail. Hunters contend that they are the only ones who should have a say in how wildlife are managed.

 

On one side, hunters contend that because they pay the bills for the management of wildlife resources through their licenses and a federal excise tax on their hunting equipment, they are the only ones who should have a say in how wildlife are managed. On the other side, anti-hunters argue that moral objections to the slaying of innocent animals overrides any priority as to who has a say in these matters.

And the arguments go on and on. Both sides have their army of lawyers and donating members to support the lawyers. Each spends millions of dollars for their causes and sometimes hunters win and other times anti-hunters win battles but the war goes on, seemingly without end. Should it be that way? Should we manage or mismanage our wildlife resources though the press, through the courts? Who should have the say over wildlife management and what should that say be?

Given that hunters only comprise 5% of Americans of hunting age and approximately 16% of Americans disapprove of hunting, anti-hunters outnumber hunters by three to one. In the land of majority rule, should not the majority hold sway over the minority? But 16% is far from a majority of the American people. What about the other 79% of America? Should they also have a say? And if they do, what would it be? Of that 79%, 74% approve of hunting but do not hunt. Thus, the majority would seem to fall squarely on the side of hunters.

Chart: America is 5% hunters, 16% anti-hunting, 79% unknown.

But do non-hunters (the 79% who don’t hunt but are not anti-hunting) approve of how hunting is used in wildlife management and if they do or do not, is their voice heard? Are they allowed to express an opinion? Who then has the say over how wildlife are managed in America, the hunters, the anti-hunters, or the rest of the American people? Again, in all this, majority or not, hunters fall back on their base preposition, they pay for wildlife and so they should have the say, the only say. In doing so, they are denying this right to even the 73% of Americans who favor hunting and 95% of the American people are left out of these decisions.

One has to ask how such a system differs from the European one our Founding Fathers tried to avoid: wildlife being owned and managed by a small fraction of landowners verses a small fraction of the population who feel they own the “right” to wildlife and how they are managed. In both cases, the majority of the public is left out of the decision process.

Central to the answers to all these questions are two more fundamental questions of first, who owns the wildlife in America and second who is paying for their management/conservation? If we can answer these questions, then we at least define the “rights” of the different sides in the overall argument.

So, first, who owns the wildlife in America? As mentioned above, our founding fathers abhorred the European system where large landowners also owned the wildlife on those lands. To avoid these problems in the new more egalitarian society they were forming, the formers of our government declared that each state claimed ownership of wildlife on behalf of its people. This state ownership was reinforced by the Greer v Connecticut Supreme Court decision that forbid interstate transport of wildlife killed within a state and “to confine the use of such game to those who own it, the people of the state”. So clearly, from the beginning to today, we the people, ALL of us own the wildlife within our respective states.

Lone hiker in red parka traverses a mountain pass.

And not only do we own the wildlife, imbedded in that ownership is the right to regulate it by all of us. Further, IF that wildlife is migratory or lives on Federal lands in a state, not only do state residents have the right to regulate it but so does the rest of the nation. As stated in the Constitution, “Congress (all of us) shall have the power to dispose of and make all needful rules and regulations respecting the territory or other property belonging to the United States” (Article IV). This puts most wildlife in the National public trust and this right has been repeatedly upheld by the Supreme Court. So clearly stated, all wildlife belongs to all the people and all the people should have a say in how it is managed.

What about the argument that those who pay should have the most, if not all, the say in how wildlife is managed? This brings us to the more fundamental question of who actually does pay for wildlife management in the U.S.? Is it just the hunters? And what wildlife are they paying to manage?

There is no doubt that hunters pay a large amount of money to manage wildlife. For many states, game agencies are strictly funded by hunting license fees, to the tune of millions of dollars. Figures range around 600-700 million dollars nationwide. In addition to the hunting license and fees, the Pittman-Robertson act in 1937 dedicated a 10% excise tax on firearms and ammunition to be spent on wildlife restoration. This fund generates around 150 million dollars a year to be distributed to the states. If we add to this figure an estimated 10 BILLON dollars hunters spend when they go hunting, it all comes up to an impressive amount of money they spend on wildlife. So, maybe they should get the say?

But wait a minute, let’s look at the possible contributions from non-hunters. Regretfully, non-hunters who use and enjoy the outdoors do not pay an excise tax on sporting equipment. They had a chance to do so but did not follow through, but that is another story. Though they do not contribute to wildlife by an excise tax, do they contribute in other ways?

Let me count the ways. First fees. It is true we don’t have a wildlife watching fee or license, though that might be a good idea! But non-hunter, when they use the great outdoors do pay fees, camping fees, entrance fees. How much? On the state level, it varies from state to state with a state like California generating 81 million dollars in park fees and more modest 3-10 million dollars in other states.

If we use a modest 10 million dollars a year average by state, nationwide, park users pay 500 million dollars a year toward the maintenance of the lands AND by default wildlife on those lands. Add to that, the fact that general tax revenues are also used to make up any difference in expenditures probably in an equal amount. This means general taxpayers, 95% of which do not hunt, pay several hundred million dollars in state taxes to support parks AND the wildlife on these lands. Add to that the average 1 million dollars per state taxpayers check off on their tax forms for nongame species and the total state contributions come up to around 1.5 billion dollars a year.

What about the Federal level? For National Parks, entrance fees generate around 25 million dollars a year. But the National Park budget, is around 3 billion dollars a year, again, paid for in grand part by the 95% non-hunters. We have to add to that the annual budget of the U.S. Department of Fish and Wildlife of 2.5 billion dollars. Also, the U.S. BLM (960 million dollars) and the Forest Service (5.1 billion dollars), which maintain large tracts of land for wildlife, add another 6 billion taxpayer dollars to the pot. I am sure I missed some other state and federal agencies whose goal it is to maintain lands and thus the wildlife on them but this should do for now.

Adding up the state revenues and the various Federal sources, we see that recreation users and general taxpayers support wildlife to the tune of around 12 BILLON dollars annually. This compares to the annual 800-900 MILLION dollars generated by sportsmen. But how about that 10 billion dollars generated by sportsmen spending? If we compare the number of people participating in hunting versus other outdoor activities, the latest figures are: 24 million hunters vs. 317 million outdoor enthusiasts. Of those, more people go birdwatching (67 million) than hunting. If we assume a similar per person spending as hunters, then these non-hunters are spending over 130 billion dollars! So, I leave it up to you to decide, are hunters the only ones paying for wildlife?

Bumper sticker: Save an Elk. Shoot a Wolf.

One last important note. Although hunters do pay hundreds of millions of dollars for wildlife management, that money is normally earmarked for specific wildlife, the ones they hunt. Though some money is spent on nongame species, it is done grudgingly or is listed as a side benefit. Most game agencies are not paid to nor really care to manage non-game species. They know where the money comes from and cater to hunters to “put more game in the bag”.

State game commissions are the same in that they know who they are paid by and as the name indicates only deal with game species. What this does is produce single species management where wildlife in general, the supposed great benefactor of the hunters largess, are ignored or worse yet, like predators, treated as vermin to be hunted without control because they interfere with game species. This also leaves the other 95% of the population, who is really paying the lion’s share for wildlife habitat, with little or no say on how the other 99% of the wildlife are managed. This is wrong and needs to be changed.

If game agencies cannot, will not, manage the rest of the wildlife resources in a proper manner, then they should only be allowed to manage the ones they are being paid for, game species. This excludes predators which they only “manage” (kill) in response to hunters’ cries for more game. All nongame species should be wrenched from game agencies’ grasps and given to new standalone state wildlife agencies who cater to the 95% of the people who REALLY pay the bill for wildlife habitat.

We need a dramatic change in how wildlife are managed in this country and the separation of “game” management and wildlife management is the first critical step. Let the game agencies with their millions of hunter dollars manage the deer and the ducks but let the new wildlife agencies manage the rest of the wildlife the way they should be managed, based on sound ecological science, not hunter demands. It is time we stop sacrificing the many for the few in the wildlife world and start managing our wildlife as the integral part of the ecosystems they are.

John W. Laundré is a cougar biologist who has studied cougars for over 20 years both in the U.S. and Mexico. He has published extensively on their ecology and behavior and is the author of the upcoming book: Prairie Phantoms the Return of Cougars to the Midwest to be published by the University of Wisconsin Press. He currently is an adjunct professor at the State University of New York at Oswego where he teaches and as Vice President of the Cougar Rewilding Foundation advocates the return of cougars to their former range.

 

How Many Lion Hunters are There? — Really

How Many Lion Hunters are There? — Really

The editorial voice of the Mountain Lion Foundation

Since the European colonization of this continent, America’s lion population has been persecuted and hunted to the point where, with the exception of the small clump hanging on to existence by their claws in the Florida Everglades, only fourteen western states are considered to still have viable populations.* With possibly any other animal, such a massive reduction in a species’ historic population size and range would have spurred nationwide protection measures. Instead lions are treated as pariahs of the animal kingdom considered worthy only for the amount of recreational fun they can provide to lion-hunters.

In the 1990s, when the citizenry of Oregon and Washington tried to stop the slaughter, their state legislators intervened on behalf of pro-lion hunting interests. The state game agencies implemented new regulations and policies apparently designed to hamper or negate the successful ballot-box reforms. Such political clout begs the question of exactly who these political leaders and bureaucrats represent–the people or special interests groups–especially since public polls have repeatedly shown that the majority of Americans like mountain lions and don’t want to see them hunted.

When the Mountain Lion Foundation decided to look into the question of just how many lion hunters there actually are, we discovered that such information wasn’t readily available to the public. Possibly because of the public’s volatile reaction to the blood-sport, many state game agencies appear reluctant to post lion-hunting related information, including the number of hunters. But based on information gathered from several sources it is possible to at least make a ball-park estimate on the size of this extremely powerful and vocal special interest group.

According to the U.S. Fish and Wildlife Services’ 2006 National Survey of Fishing, Hunting, and Wildlife-Associated Recreation Report, there were an estimated 12.5 million hunters in America. While that sounds like a lot, it’s actually a 10 percent reduction from numbers reported just ten years earlier and represents only 4 percent of the 300 million people living in our country at that time. This base-line number is further reduced to only 578 thousand when all the exclusive deer, elk, bear, wild turkey, small game and migratory bird hunters are removed from the mix, and only those who also list themselves as “Other Big Game” hunters are counted. So, based on USFWS’ official estimate, six years ago there was statistically less than 1 percent (0.001927) of the nation’s population that might have hunted lions.**

Interestingly, the 2006 estimate is a reversal in the overall hunter participation trend with an increase of just over 11 percent from the 1996 estimate of 513,000 hunters. A review of hunter information reported by various state game agencies shines some light on this anomaly. During that same ten-year period, some states (Oregon and Washington in particular) implemented cut-rate, license-bundling practices designed to generate a support-base amongst deer hunters for recreational lion hunting. At last count the annual number of lion hunting tags sold in those two states were running close to 40,000 and 65,000 respectively.

But how many of these Pacific Northwest based so-called lion hunters, or their counterparts in states with similar practices, would actually purchase a lion hunting tag if it wasn’t cheap and bundled with a deer hunting tag? In South Dakota for example, the number of lion hunting tags sold dropped by 40 percent when that state’s lion hunting tag was no longer sold as incidental to a deer hunting tag. California had a similar experience. During its only two lion hunting seasons (1970 & 1971), 4,719 lion hunting tags were sold the first year when they were combined with deer hunting tags, but demand dropped sharply the following year to only 133 when sold as an exclusive game tag. Apparently there are far fewer hunters in America that actually want to go out and kill a lion when you exclude opportunistic hunters that don’t care one way or another, but are willing to kill one if it comes their way and doesn’t cost too much to do so.

The bottom line is that despite more than 15 years of effort on the part of state game agencies and groups such as Safari Club International to build a lion-hunting constituency, the number of actual lion hunters remains only an miniscule proportion of the total hunters in America, and would possibly be significantly smaller if this valuable wildlife resource wasn’t thrown away for less than the cost of a six-pack of imported beer!

So now Americans have to ask the question: Why do we continue to allow such a small portion of our society kill thousands of lions each year, and practically for free?

Maybe it is time to change the policies, goals, and decision making processes of the state game commissions?

* Breeding pairs in sufficient number to expand the current population.
** This estimate may be a little high because that particular category of game species is not exclusive to lions.

Comment on this article.

Similar articles and other relevant information
Guest Commentary: Who owns the wildlife and who should have say in how they are managed or mismanaged?
USFWS 1996 National Survey of Fishing Hunting and Wildlife Associated Recreation Report
USFWS 2006 National Survey of Fishing Hunting and Wildlife Associated Recreation Report

Lions Skilled At Avoiding People

Mountain lions are shy and extremely stealthy when it comes to not being seen by people. Tracking collar studies have shown that even lions living on the urban edge in close proximity to millions of people are still almost never detected by us. Radio collars and motion-activated cameras are a common way for researchers to monitor lion populations, seeing when, where, and how far the elusive cats travel. Below are a few recent videos of mountain lions in the wild, but not too far from people.

This first slideshow was captured by researchers in Peru (full story). A lion cautiously walks past the camera and appears to be sensing something in the distance. It turns out, two field workers were on their way down the trail for routine maintenance on the camera. Though they had no idea there was a lion nearby, the cat was well aware of the approaching people and quickly left the area. It is further evidence of how much better a mountain lion’s sense of smell and hearing are than our own, and that the cats use these abilities to avoid people whenever possible.

The second video is from the California Bay Area. Since motion-activated cameras have better luck than people when it comes to spotting lions, biologists at Stanford University decided to set up some cameras at the Jasper Ridge Biological Preserve to learn about the local cat population. Lions have occasionally been spotted by residents in the area and over the years a few lost cats have even wandered into town. Researchers assumed they would capture plenty of footage, but it took over a year before the first clip of a lion was recorded. To date, they have captured over forty sightings and are able to identify what appears to be one adult male, an adult female, and multiple kittens living in parts of the preserve.

Even in California–the state with the most mountain lions and suitable habitat–lions are spread out and continue and regulate their own population in low densities. They are rarely seen but play an irreplaceable role maintaining the wild landscapes we love. Trail cameras and researchers are giving us an inside look at how they manage to survive in shrinking habitats on the urban edge, hopefully for many, many generations to come.

View or write comments on this article.

Exposing the Selectivity Myth of Hound-Hunting Lions

Text: The editorial voice of the Mountain Lion Foundation.

Exposing the Selectivity Myth of Hound-Hunting Lions

 

Hound-hunting involves using a pack of far-ranging, radio-collared dogs to chase a luckless lion for miles until finally, exhausted and scared, it instinctively seeks safety up a tree. Later (sometimes days), a “sportsman” will arrive at the scene and shoot the terrified animal until it falls out of the tree. The hunting of lions with hounds is considered by many to be a cruel and inhumane practice; and as a result of citizen-placed state ballot measures, it is banned in California,* Oregon and Washington.

Despite the public’s revulsion of the practice, hound-hunting is constantly being promoted as the best [for the species] method of hunting lions. Proponents point to their ability to be “selective” in killing only large trophy males, where “boot-hunters” often only see their target from a distance and can not properly ascertain whether or not the lion they are killing is a nursing mother.To test this claim of selectivity, the Mountain Lion Foundation (MLF) reviewed 35 years (1976 – 2011) of comments and reports from state game managers and biologists attending Mountain Lion Workshop symposiums. A small selection of those comments and reports are listed below:1976 – FIRST MOUNTAIN LION WORKSHOPKen Greer; Montana Fish and Game Department:
“When you’re talking with a fellow he might say he’s an experienced lion hunter and he takes just males, but when you get down to the nitty gritty of it we’ve found that this isn’t very reliable information.”Rich Poelker; Washington Game Department:
“I’ve talked to a lot of our houndsmen in Washington and I’ve come to the conclusion that once the lion is treed they’re not too selective as to sex. They do claim the ability to determine sex, and yet on one hunt with an experienced lion hunter he kept asking me what sex it was for some time after the animal was down.”Willie Molini; Nevada Fish and Game Department:
“We find that our harvest in the last three years has been 52, 53, and 54% female. Quite a number of the clients that hire guides are from eastern states, particularly Pennsylvania. I don’t know what that means, as far as the quality of the animal they want to take, but we know our guides do take quite a few female animals.”Harley Shaw; Arizona Fish and Game Department:
“This thing has other ramifications — our sport kill overlaps a lot with depredations, and I think that dealing with females in the tree with kittens, the female will be taken as a sport kill and tagged, and the kittens are left at the site.”Gary Power; Idaho Fish and Game Department:
“It seems as though in most cases hunters can’t tell sex or age of lions. A hunter hunting with an outfitter in the Challis area last week killed a 38-pound kitten and paid $750 to kill it.”John S. Phelps; Arizona Fish and Game Department:
“. . . . as far as dogs catching a kitten on the ground and killing it, there is little that we can do about it.”Dick Hall; U.S. Fish and Wildlife Service:
“A lot of the hunters, including myself, probably half the time don’t know if a female has kittens until she’s dead.”1991 – FOURTH MOUNTAIN LION WORKSHOPKeith Aune; Montana Department of Fish, Wildlife and Parks’ Wildlife Laboratory:
A review of Montana’s lion hunting results from 1987 through 1991 found that two-thirds of all lion hunters killed every cat they treed, showing no preference or selectivity.

2000 – SIXTH MOUNTAIN LION WORKSHOP

Daniel Bjornlie; Wyoming Game and Fish Department:
Based on voluntary hunter surveys submitted to the Department over the past ten years (1990-2000), 89 percent of successful lion hunters said they used hounds, and 76 percent of all successful lion hunters admitted they were not selective when hunting (i.e. shot the first lion they saw).

2011 – TENTH MOUNTAIN LION WORKSHOP

Richard Beausoleil; Washington Department of Fish and Wildlife:
Even with a dead lion in hand, the agency still has a 16 to 30 percent error rate in sexing lions.

Daniel Thompson; Wyoming Game and Fish Department:
A nine year study of lion selectivity among Wyoming hound-hunters based on voluntary hunter result surveys found that while those hound-hunters who claimed selectivity on the response cards were found to have harvested slightly fewer female lions than those who did not consider themselves selective, the test of “real” selectivity is treeing a lion and choosing not to shoot it. Based on that criteria, less than twenty percent of the self-claimed selective hound-hunters were actually selective. Weather conditions and the possible closure of a hunt zone due to lion harvest limits were both critical factors that often overrode a hunter’s good intentions of being selective when choosing a trophy. Selectivity dropped even more towards the end of the season, and even the use of outfitted hunts (using professional guides) did not, at any point, decrease the number of juvenile or female lions killed.

CONCLUSION

Ultimately, the argument for the use of hounds to promote selectivity is meaningless. Although hunting with hounds could theoretically provide this option, in actuality it comes down to the shoot/don’t shoot decision of individual hunters. And, as demonstrated above, almost every lion hunter shoots the first one he trees–regardless of age, sex, or size–a propensity on the part of lion hunters which hasn’t changed despite thirty-five years of “hunter education” efforts by state game agencies.

* California banned all forms of recreational hunting of lions in 1990.

Wildlife Poisoning Affects Mountain Lions, Too

Guest Commentary by Julia Di Sieno, Animal Rescue Team, Inc.

A previously rare disease among wild cats has become the primary cause of death among bobcats in the Santa Monica Mountains National Recreation Area. The cats are dying from mange, a skin disease caused by a tiny parasite. The use of rat poisons is likely the underlying cause of the dramatic increase. The poison spreads quickly across the food web up to the top predator: mountain lions.

 

 

Recently Animal Rescue Team, Inc. rescued a very sick bobcat on 20 acres near Calzada Road in Santa Ynez.

The young male bobcat was seen roaming around for two days, and seemed very lethargic. Once we stabilized him and administered fluids, we discovered the bobcat had notoedric mange. Sadly, all our efforts to save the bobcat failed.

I immediately contacted the state Department of Fish & Game veterinarians, as well as Laurel Klein, a UCLA Ph.D. candidate. The request to send the bobcat’s body to UC Davis for necropsy was immediate.

Bobcat sitting in tall golden grasses.A previously rare disease among wild cats has become the primary cause of death among bobcats in the Santa Monica Mountains National Recreation Area (SMMNRA). The cats are dying from mange, a skin disease caused by a tiny parasite. The use of rat poisons is likely the underlying cause of the dramatic increase in mange- related deaths, as well as the direct cause of death for many other predatory wildlife and animals.

 

Necropsies (animal autopsies) have revealed that all of the cats that died of mange had ingested anti-coagulant rat poisons

 

National Park Service researchers report that mange has wiped out more than half of the bobcat population in the Santa Monica Mountains National Recreation Area over the last nine years in areas where they’ve focused their research. The team, which has been studying bobcats in SMMNRA since 1996, is at the forefront of research into the effects of anticoagulant rat poisons on wildlife.

“Necropsies (animal autopsies) have revealed that all of the cats that died of mange had ingested anti-coagulant rat poisons,” says Ms. Klein, a Topanga resident, and member of the NPS research team.

Californians are among millions of people worldwide who use anticoagulant poisons, such as D-Con and Tomcat. Easy to use, inexpensive and convenient, poison may seem like a good way to control pests. But for wildlife, rat poison is the deadly “gift that keeps on giving.”

Anticoagulants interfere with vitamin K processing. They inhibit blood clotting, eventually causing the victims to bleed to death internally. A poisoned rat becomes an irresistible, slow-moving meal for larger predators, who in turn are poisoned and devoured.

The poison spreads quickly across the food web — up to the top predator, mountain lions. Two local mountain lion deaths due to secondary exposure have been documented. Many other SMMNRA animals, including foxes, hawks, owls and coyotes, also are being killed by secondary exposure to anticoagulants. “In an eight-year study of coyotes, it was found that rat poison was the cause of death for more than 25 percent of known mortalities,” reports NPS wildlife ecologist Seth Riley. “It was right behind traffic fatalities as a leading cause of coyote deaths.”

Worldwide, researchers have documented many more cases of poisoned wildlife, including hawks, deer (through direct ingestion), and coyotes in New York; endangered kit foxes in Bakersfield; weasels and owls in Europe; and owls and hawks in New Zealand and Australia.

In California, about 75 percent of mountain lions tested had been exposed to anticoagulants, which have increased in potency over the last several decades.

Mange is not yet considered epizootic among SMMNRA mountain lions, but individual cases of mountain lions with mange have been reported to have anticoagulants in their systems. Mange is caused by a parasitic mite that burrows into its host’s skin. Smaller than a millimeter, the mites are barely visible to the naked eye. Their tunneling causes intense itching and encrusting of the skin, which can easily become infected.

Photograph of tiny bobcat kitten in chain link enclosure.
BOBCAT KITTEN
Once a bobcat becomes sick, its behavior changes. Researchers suspect the bobcats’ home ranges become increasing smaller. They become less afraid of humans or perhaps less able to run away from them, and may be more visible in residential areas, and seem to become less interested in food, but are extremely thirsty and are attracted to water sources.

The Environmental Protection Agency cited the SMMNRA team’s findings when it revised its policies to restrict the use of newer and more toxic “second generation” anti-coagulants. The team’s research could lead to new legislation or regulations, further restricting their use and possibly help prevent mange outbreaks in other areas.

Ironically, using poison to kill rats is wiping out the very predator population that could help keep them under control.

Photograph of owl peeking out from a wooden owlbox mounted on a tree.
There are many designs of owl boxes available online. Owls play a significant role in keeping rodent populations healthy and small.

The best pest control is to encourage natural predators, such as owls. You can find out how to install owl nesting boxes and perches at www.owlnestboxes.com and www.wildwingco.com. A variety of alternatives to rat poison are readily available and affordable.

If you see a bobcat that appears ill, please do not approach it. Instead, immediately contact Animal Rescue Team, Inc., 805 896-1859 in Santa Ynez, or Ms. Klein at 214-729-2328. We will attempt to capture the animal for further study. Both resources are available 24/7.

Do not try to capture the animal yourself. Although sick, bobcats will defend themselves or run away. Once they run away, they are unlikely to come back. You can put water out for the animal.

This month, after years of study, regulations take effect nationwide banning the most toxic, long-lasting rat poisons from hardware stores, big-box home improvement centers and other consumer outlets. Please reconsider before using any toxic rodenticides. You may even save the life of your own pet dog or cat.

 

Without Natural Predators, Deer Destroy Forests

 

Without Natural Predators, Deer Destroy Forests

Many hunters love to shoot deer. They enjoy this hobby so much that hunters completely eliminated natural predators like wolves and cougars from most of the U.S. to remove any competition. They even hunted deer to extirpation in eastern regions (which helped wipe out cougars even faster).State game agencies eventually stepped in to regulate the killing and transplanted deer back onto the landscape. Their efforts were a success. Deer are back and at an estimated record high in many areas, with population estimates around twenty-million.

Unfortunately, now without any natural predators in the East, few wolves and mountain lion populations falling in the West, deer are over-populated throughout the country. While deer hunters aren’t complaining, the rest of us should be. Due to over-browsing by deer, America’s forests and all the other wildlife are now in trouble.

A recent NPR interview looked at a conservation project in Virginia that has fenced off 10 acres of natural habitat since 1990. In what is known as an exclosure — fencing designed to keep deer out — the Smithsonian’s Conservation Biology Institute found drastic differences on either side of the line.

“The deer side of the fence has a carpet of grass, a shrubby looking thing, and some large trees – things that are either too big for deer to eat, or are among the very few plants they don’t like to eat. Inside it is practically a jungle. Dozens of different almost exotic looking plants are tumbling over one another. Many of them are young trees […] white ash and hickory and red maples and service berry. We’re looking at twenty, thirty species. If you look out there [the deer side], it’s a much simpler world.”

In nature, simple means weak and unhealthy. Without diversity and younger trees to replace the old ones, the forest will disappear in time along with all the critters that call the landscape home. Sure, human hunters are doing their part to reduce deer numbers, but the true managers are the natural predators. Perhaps it is time to surrender control back to the experts… restoring the cougar in the East would be a great start.

Listen to the interview on NPR

ON AIR: Biologist Clayton Nielsen Considers Mountain Lion Corridors into the Midwest

ON AIR: Biologist Clayton Nielsen Considers Mountain Lion Corridors into the Midwest

An Audio Interview with Craig Fergus, MLF Volunteer

In this edition of our audio podcast ON AIR, volunteer Craig Fergus interviews wildlife biologist Clayton Nielsen about his work mapping dispersal corridors for mountain lions into the Midwest. Dr. Nielsen is the Director of Scientific Research for the Cougar Network, and has been studying mountain lions and other mammals from his home base at Southern Illinois University Carbondale since 2003.

Listen NowListen Now!

Listen to the interview from MLF’s ON AIR program, podcasting research and policy discussions about the issues that face the American lion.


Transcript of Interview

Intro: Welcome to On Air with the Mountain Lion Foundation, broadcasting research and policy discussions to understand the issues that face the American lion.

Craig: Hello. I’m Craig Fergus, and with me today is wildlife biologist Clayton Nielsen. Clay is director of scientific research for The Cougar Network and is also a professor at the University of Southern Illinois. Is that at Carbondale?

Clay: Yep, Carbondale.

Craig: Fantastic. And how long have you been a professor there?

Clay: Oh, I’ve been a professional level scientist and professor now for 7 years here at SIU.

Craig: That’s great. And your recent work has involved mapping potential habitat corridors for mountain lion dispersal into the Midwest. Is that correct?

Clay: Yes, that’s true. I’ve been conducting research on mountain lions in the Midwest for about 6 or 7 years now.

Craig: Awesome. Then can you tell us a little bit more about your research, and how that data’s being used, and who it’s being used by?

Clay: What I am doing research-wise looking at cougar expansion in the Midwest involves a couple different main foci. Number one, in working with The Cougar Network we are documenting confirmed instances of cougar presence in the Midwest and have been doing so with data since about 1990. And we’ve been gathering this information, consulting with cougar scientists across the country, and looking at the validity of confirmations. So when I say confirmation I mean real hard evidence, not sightings but carcasses, DNA evidence, pictures or video of cougars in mid-western states that can be verified. And we have documented over 300 different confirmations of cougars in the mid-western states since the early 1990’s.

Now, a second focus of my work then involves trying to predict potential habitat and dispersal corridors for cougars that may be coming into the Midwest. And this is something that interests me as a wildlife biologist. It’s the first logical step to understanding the future for this animal. The Midwest is a region that was once suitable for cougars. They were essentially extirpated from the region. And what sort of habitat exists now? And certainly we found that ah, about 8 percent of the Midwestern strip of states down the middle of the country, about 8 percent is highly suitable habitat. And those areas are largely found in areas with little human presence, forest cover, and steep topography.

Craig: So that leads in to another one of my questions. How do you determine what makes for good mountain lion habitat? Both in terms of the actual environmental physical characteristics of the area, and then from a functional standpoint, how you go about finding where these areas are?

Clay: Well, we did the work entirely through computer modeling and used geographic information systems. And normally when wildlife biologists do this type of research, he or she is trying to tie habitat preferences to individual animals through the use of radio telemetry or some sort of research where the animal, by its use of the landscape that we can measure, tells us what habitats are important.

Well in the case of cougars in the Midwest, we don’t have many around. We have animals that are dispersing through the region, we don’t have breeding populations except the Black Hills and western North Dakota and extreme western Nebraska, so we couldn’t rely on the animals themselves telling us what good habitat is. So we sent out surveys to establish cougar biologists and then also, mid-western wildlife biologists who know mid-western landscapes. And we gave them a variety of habitat variables, such as land cover, so is the land cover agricultural? Is it forest cover? Is it wetland cover? And other various habitat variables such as topography, human density, distance to roads and distance to streams. And we had our expert biologists rank those values. And then we used their rankings in a statistical method to develop a large-scale habitat map of potential habitat suitability for cougars in the region using geographic information systems.

Craig: Now are these areas you’re talking about dispersal corridors only — as you mentioned mountain lions moving eastward into the Midwest — or are they also areas that could support breeding populations? Are those two things the same or are the mountain lions looking for something different in terms of habitat for these different purposes?

“whether or not enough females can disperse into the Midwest and then these females and males find each other, is the real issue that is going to dictate whether or not we have breeding populations

Clay: Well, the basis of our habitat analysis is to understand, kind of the basis for potential cougar expansion into the region, so it pertains not only to identifying areas of good habitat for dispersal, but also areas of good habitat if populations should ever become at a level where there are breeding numbers or anything like that. So the baseline habitat map that we’ve created is useful for just about anything involving cougar presence or expansion.

Craig: Okay. And so far where have you found to be the most important corridors for mountain lions already moving into the East or to potentially be moving to the East in the future?

Clay: Well, our research is predictive modeling. So the corridors that we have created are more theoretical, are more areas of likely-use that animals would take if they were going between western populations and then points in the Midwest. And those areas are along various riparian corridors and areas were we have smaller blocks of, say, forested cover, that are not large enough probably to harbor breeding populations ever, but serve as stepping stones across a largely unsuitable and agricultural landscape.

Craig: So would you say then that agricultural areas are the biggest impediment towards movement for mountain lions? Or, I’d imagine that cities and urban areas would be also a major block for mountain lion dispersal?

Clay: Yeah. Cougar habitat suitability in our model was less in areas where we had intensive row crop agriculture and urban sites. So those are the areas that these animals would probably avoid. Now, of course out west, cougars and humans are in contact in many, many places. But I don’t think that would necessarily be the case here in the Midwest, especially for a pioneering population. They’re not gonna find much prey in our corn fields and soybean fields of the Midwest. And urban areas are not going to be highly suitable for them either.

Craig: And reading from The Cougar Network website, it seems like one of the driving factors for eastward expansion of mountain lions is juvenile males moving away from their home ranges into new areas. So how and when could we see these individuals settling into breeding populations? And what kind of factors can make this happen?

Photograph of mountain lion crossing river.

Clay: Well you know, certainly the predominate dispersers are male, and all evidence will point to that. And that follows with what we know about cougar ecology. And so if we have a bunch of roaming males with no females they’re likely to continue to roam and keep looking for them, which may mean they travel until they get killed by some source here in the Midwest. Or they may head back towards where they came from. It’s really difficult to say. So the obvious important thing is females. And whether or not enough females can disperse into the Midwest and then these females and males find each other, is the real issue that is going to dictate whether or not we have breeding populations, and a lot of that information is yet unknown. We do know that the Black Hills of South Dakota though has resulted in a few known documented female dispersers, and that the western North Dakota population has probably broken off from the Black Hills population which was a recolonization event. So such things are possible. It’s just a question of when they will happen over what period of time and it’s really dependent on female dispersal.

Craig: Okay. And another thing I came across on the website was a distinction between mountain lion sightings that you thought were due to natural movement as opposed to sightings that you thought were either a planned relocation or some kind of accidental release. Specifically, there were some sightings in New York and the Quebec area of Canada. You seem to think that these were probably accidental releases of some kind. Why is it important to focus on the natural movements as opposed to these possible planned relocations?

Clay: Oh, I don’t, I don’t know if any one’s more important than the other. As a scientist I’m interested more in the natural expansion of these populations, because that’s really what’s driving this issue in the Midwest.

Craig: Okay. And how do you see laws and policies of states where this mountain lion expansion is occurring influencing that expansion, and impacting the movement of mountain lions? And also vice versa: how do you see these new mountain lion populations influencing the laws and policies of these Midwestern states?

Clay: Well, the Midwest has been devoid of large predators for over 100 years now and they were extirpated from here because of conflicts — or perceived conflicts — with humans regarding livestock and game species as well. So, the issue of this animal and then others such as wolves and black bears as well, reemerging in the Midwest is one that is perplexing policymakers and wildlife agencies. Some agencies don’t really know what to do yet and are waiting to see whether or not these animals actually naturally re-colonize. Other states I think are considering changing their laws. A couple mid-western states, Iowa and Illinois, where I reside here in Illinois, those two states do not have cougars protected in any way shape or form because the wildlife laws were written — certainly in Illinois, I don’t remember in Iowa — but the wildlife laws were written after these animals had been extirpated, so they’re not even recognized as a potential species. And I’m not sure if Iowa’s changing their mind and revising their laws. But other states I think are kind of waiting to see whether this phenomenon really takes hold because frankly, state agencies budgets are so strapped, that having to deal with another species and another issue is something that’s really tough to afford right now. And I think it’s probably a good idea for these agencies to kind of wait and see given that they have a lot of other challenges on their plate to deal with already.

Craig: So given some of your thoughts there, and the fact that your project and its data can be helpful in determining where cougars may or may not be in the future, what is a way that the average person listening to this program can help out specifically with your project or with kind of the goals of your project as a whole?

Clay: Well, the average person can ah send me $500,000 and that would help my research considerably. [laugh] Um, the average person can’t do much um unless, except contribute financially. [laugh]

Craig: Well, how about cougar sightings and confirmations? How do you bring in that type of information?

The Cougar Network employs two classifications for “Confirmations”:

CLASS 1 CONFIRMATIONS:

1. The body of a dead cougar, or a live captured animal.

2. Photographs (including video).

3. DNA evidence (hair, scat, etc.)*

CLASS 2 CONFIRMATIONS:

1. Track sets verified by a qualified professional.

2. Other tangible, physical evidence verified by a qualified professional (i.e., prey carcasses, microscopic hair recognition, thin-layer chromatography of scat).

*DNA evidence alone should be interpreted with caution. Confirmation from two independent laboratories and/or photographs from remote cameras at predetermined DNA collection sites will enhance confidence in cougar activity.” 

The Cougar Network

Clay: Um, The Cougar Network website and the 40 or 50 different agency contacts that we have with state agencies throughout the Midwest and East are our main sources of information. So when — and usually these folks are the ones who are actually gathering the data — and say someone gets a picture in Vermont or a track photo, or something like that, that meets our criteria, we’re looking for tracks and photos and carcasses and that sort of thing, then that information filters down into The Cougar Network. Or someone will send us a print, a footprint, and we’ll send it off to Harley Shaw who’s on our Board of Directors, who’s a noted cougar biologist for many years. And he’ll look at the information: say yes, this is a cougar print, or no, it’s not. And so the general public, by reporting to us through our website or through their state agency, is really the best way that they can help get the information our way.

Craig: Great. Hopefully some folks are out there!

Clay: That’s what you were, that’s probably what you were looking for and not my first smartass answer. [laugh]

Craig: Well, if there are some donors out there listening, then maybe they’ll be able to help you out. So moving forward now, what’s kinda on your plate at the moment and what kind of projects are you looking to do in the future?

Clay: With regards to cougar research?

Craig: Yeah.

Clay. I presume. Okay. Well, I mentioned earlier about how difficult it is to predict when the Midwest may — if and when — the Midwest may become recolonized with cougars. Well I am currently using that habitat map and then some other information from western cougar populations to try to start making those predictions of when cougars may repopulate the Midwest, when there may be breeding populations, how many individuals may exist in those populations, and where those populations are specifically found in the Midwestern states. So that’s one of my major cougar related expansions on this first research effort that I’m trying to finish.

We’ve also started doing some human dimensions work. We did a survey project, surveying residents in Kentucky and North Dakota. So two states, very different parts of the country; North Dakota being on the kind of edge of cougar expansion. Kentucky, the animals haven’t gotten there, even any of our dispersers haven’t shown up there. And so we’re trying to look at human attitudes and perceptions about these animals should they recolonize the Midwest. So those are the two main cougar related items that I’m working on right now.

Craig: Well, those sound like two quite exciting studies.

Clay: Yes, and they’re nearly, nearly complete. So I hope to, we hope to, have some final reports and publications submitted for that work very soon.

Craig: That would be fantastic. I’d be really excited to see those when they come out.

Clay: Sure. Absolutely.

Craig: If somebody else was interested in catching up with those reports, what would be the best way to follow along with your research?

Clay: Um, probably The Cougar Network website has most of the information posted there and that’s a good place to find that. And, you know, we post some of the more scientific stuff is you know, that’s the way that I do my work and it would be better to probably water it down a little bit to the main points, which is generally what we’re talking about here today. And some of that information can be found on The Cougar Network website.

Craig: Well, I think that’s probably a pretty good amount of information for the people out there listening today. Thank you very much for taking time out of your schedule to come talk with us.

Clay: Absolutely, Craig. Happy to be of service.

Craig: Yeah, we really appreciate it, and really appreciate the work you’re doing out in the field.

Clay: Wonderful. If you need anything else from me don’t hesitate to let me know.

Craig: Fantastic. Thanks again for your time.

Closing: [music] This has been a Mountain Lion Foundation On Air broadcast. On Air is a copyrighted production of the Mountain Lion Foundation. Permission to rebroadcast is granted for noncommercial use.

Grim Anniversary: Eighty Years of the ADC Act

Grim Anniversary: Eighty Years of the ADC Act

Guest Commentary by Camilla Fox
Reprinted with permission from the Animal Welfare Institute

The Animal Damage Control Act (ADC Act) was signed into law in 1931. The 80th anniversary of its passage this past March was hardly a cause for celebration; rather, it is an anniversary of mourning for each one of the millions of coyotes, foxes, wolves, bears, mountain lions, bobcats, badgers, Canada geese, cormorants, black birds and other animals labeled as “pests” who have been killed since this Act came into force.

The ADC Act authorizes the Secretary of Agriculture to “conduct campaigns for the destruction or control” of animals considered threats to agriculture/ranching operations. Eighty years ago, this Act codified the federal government’s willingness to engage in predator control in the service of private economic interests. Under this arcane law, government agents continue to trap, snare, poison, and shoot any animal who “may” harm livestock, aquaculture, or agricultural crops.

The ADC Act authorizes the Secretary of Agriculture to “conduct campaigns for the destruction or control” of animals considered threats to agriculture/ranching operations. Eighty years ago, this Act codified the federal government’s willingness to engage in predator control in the service of private economic interests. Under this arcane law, government agents continue to trap, snare, poison, and shoot any animal who “may” harm livestock, aquaculture, or agricultural crops.

Given the green light by the Act, the USDA’s euphemistically named Wildlife Services (WS) program conducts a quiet, relentless war against North America’s wildlife. Few Americans have heard of the WS program. Even fewer know that that their tax dollars pay federal agents to shoot wolves, coyotes and other predators from low-flying aircraft and to set poison bait and snares to trap and kill them.

In 2009 alone, WS killed more than 4 million animals in the U.S., including 115,000 mammalian carnivores; close to 90,000 were coyotes. Much of this killing takes place on public lands throughout the West. Each year, roughly $120 million are spent on this senseless and ecologically reckless program. State and county governments are provided incentives to contract with WS through matching cooperative funding agreements.

The WS program has even been used to bypass state wildlife protection laws. A recent case in point: California law bans the use of poison, and severely restricts the use of snares, leghold or metal-jawed traps. Nevertheless, the California Department of Fish & Game (DFG) is paying the USDA $600,000 under a three-year contract to use such methods to capture and kill mountain lions who prey on endangered bighorn as well as domestic sheep. Even though USDA is doing the bidding of the state agency, DFG and USDA assert that the federal agents are not bound by California law.

When reports filtered in that WS agents were killing mountain lions inhumanely and indiscriminately, without regard to actual threat, Public Employees for Environmental Responsibility (PEER) – a national non-profit alliance of local, state and federal scientists, law enforcement officers, land managers, and others dedicated to upholding environmental laws – blew the whistle. In addition, PEER’s Legislative Council issued a legal opinion concluding that federal employees in this case are bound by state law. (This opinion was requested of California State Senate Natural Resources Chairwoman Fran Pavley. The opinion carries no weight of authority, however, and it is unclear as of this writing whether it will influence mountain lion killing under the DFG/USDA contract.)

An Alternative Approach

Not all jurisdictions have elected to continue employing WS “help” controlling predators. A dozen years ago, Marin County, California, was spending $60,000 a year on a lethal coyote control program on behalf of sheep ranchers in the county.

When citizens began to protest the indiscriminate use of traps and the use of dangerous poisons such as Compound 1080, the Marin County Board of Supervisors voted to cease contracting with the federal agency and instead adopt a community-based program known as the Marin County Strategic Plan for Protection of Livestock and Wildlife – the first of its kind in the nation and a plan still in place today. The cost-share program relies solely on non-lethal predator deterrent methods, including livestock guard dogs and llamas, improved fencing, and night corrals.

In 2007, Marin County Agricultural Commissioner Stacy Carlsen, who oversaw implementation of the plan, told Bay Nature magazine that during the first six years of the program, sheep losses fell and the program cost the county over $10,000 a year less than the old one. This innovative model sets a precedent for encompassing a wider range of community needs and values, where both agriculture and protection of wildlife are deemed important by the community.

A New Paradigm

 

Greater understanding of the ecological importance of native carnivores and increasing public opposition to lethal “control” have led to growing demand for humane and ecologically sound conservation practices. Despite shifting public attitudes and values, however, traditional predator/wildlife management techniques persist, leading to increasing tension between conservationists and management institutions. This tension is reflected in increased litigation, legislation, and public ballot initiatives.

On this 80th anniversary of the Animal Damage Control Act, it’s time for Congress and the Obama administration to reform the Act – or do away with it altogether. We need a new paradigm in the way we coexist with native carnivores and other wildlife – one that recognizes their important ecological roles and right to exist.