Mountain Lion Foundation demands court-ordered halt to lawless cougar-killing sheriff in Klickitat County

Sheriff who previously flouted mask rules and gun laws is now violating state wildlife laws

August 13, 2021, Kennewick, WA — The Klickitat County Sheriff’s rampage against wildlife violates state law and must immediately be stopped by courts, according to new filings in a Washington State court. The filing is the latest in the Mountain Lion Foundation’s lawsuit against Sheriff Bob Songer, calls for an immediate order halting the illegal hunts and his illegal deputization of a posse to assist in the culling. Just this year, Songer has pursued several cougars, illegally using packs of hounds to chase mountain lions that posed no threat to public safety.

“Sheriff Songer’s conduct endangers the people of Klickitat County, devastates wildlife, and contradicts everything science and experience teaches us about how to protect livestock and communities,” explains Debra Chase, CEO of the Mountain Lion Foundation. “Sheriffs are supposed to follow the law, not undercut the will of Washington voters and legislators, and the laws established to protect wildlife from being cruelly and capriciously chased by dogs. It’s a shame he wouldn’t abide by the law, or meet us and other concerned citizens to find a better solution, and especially bad that we need the courts to compel him to stop breaking the laws he swore to uphold.”

The Mountain Lion Foundation’s petition to the Benton County Superior Court asks for a Peremptory Writ of Prohibition, an order blocking further implementation of Songer’s so-called Dangerous Wildlife Policy and Procedures. In 1996, 63% of Washington voters approved Initiative 655, which prohibits the use of hound packs to hunt cougars, with very limited exceptions that do not apply to Sheriff Songer.

Chase explains: “Sheriff Songer’s policy allows him and people he claims to have deputized — without any background checks or training — to chase cougars simply seen walking through agricultural areas, or feeding on deer they caught in the wild. Rather than killing lions just for being themselves, Songer should work with state wildlife agencies, his own citizens, and groups like ours to develop safe paths to coexistence in Klickitat County.”

In a 2010 survey by the Washington Department of Fish and Wildlife, Washingtonians statewide overwhelmingly agreed “it is the responsibility of people to help prevent cougar conflicts when living in or near cougar habitat.” Only 10% agreed with the statement “Cougars spotted in or near towns should be killed.” In the last 100 years, cougars in Washington have only killed two people (in 1924 and 2018). There has never been a fatal attack in Klickitat County.

A hearing on the legal case is scheduled for August 27. Filings can be found online at


Founded in 1986, the Mountain Lion Foundation is a national nonprofit organization with a mission to ensure that America’s lion survives and flourishes in the wild. The Foundation’s website is

Adam P. Karp, JD, MS is a regional animal law litigator residing in Bellingham, Washington with licenses in Washington, Oregon, and Idaho. He has practiced animal law for 23 years. His website is

Contact: Josh Rosenau, Conservation Advocate, Mountain Lion Foundation
916-442-2666 ext. 107

Adam Karp, Esq.
(888) 430-0001

“The Puma Years” with Laura Coleman

“The Puma Years” with Laura Coleman

In her early twenties, Laura Coleman finds herself living in London, her life an endless loop of commuting and corporate meetings. Tired of tight tailored suits and lacking direction, she quits her job and sets out for South America. Two months into her three-month trip to Bolivia, Laura is tired, bloated, sunburnt, lonely, and ready to go home. But a flyer about an animal welfare charity encourages her to stick it out, and soon she is en route to “el parque” in the heart of the Amazon. Arriving at el parque, Laura finds an underfunded, understaffed, dilapidated camp, along with suicidal howler monkeys, megalomaniac pigs, toothless jaguars, and many more animals who had been abused and abandoned. She also meets a timid and moody puma named Wayra who she now has to learn how to “walk” outside of her enclosure. Within days, all Laura can think about is going home. But after several weeks of barely showering, being eaten alive by bugs, and doing work that pushes her to a physical and emotional exhaustion she’s never known, Laura deliberately misses her flight back to England and spends the next two years learning how to trust Wayra, as well as how to trust herself.

Set against a backdrop of deforestation, illegal animal trade, and forest fires, THE PUMA YEARS: A Memoir explores what happens when two desperate creatures in need of rescue find one another. Laura lures the reader into the center of the Bolivian jungle with her exquisite descriptions of the vivid colors, insects, animals, trees, plants, dirt, and swamps that she encounters daily. The emotional highs and lows are real and raw. The relationships – with both animals and humans – are complicated, but intimate. And we fall in love with all of el parque’s residents. As that three-month ticket to Bolivia slowly turns into her life mission, Laura finds her passion and herself through helping endangered animals. Readers watch with tenderness and awe as Laura blossoms into a courageous leader, having started as an unwitting volunteer and growing to become el parque’s fiercest supporter. In this truly immersive and moving memoir, Laura explores the unique love that exists between humans and animals. Earnest, yet humorous in tone, this book is for anyone who is seeking self-discovery, a sense of belonging, unconditional love, or a greater purpose.

About Laura Coleman

Laura Coleman (she/her) is a writer and an artist. She has lived and worked in Bolivia for over a decade, caring for rescued wild animals with the NGO Comunidad Inti Wara Yassi. This is the subject of her first book, a memoir, entitled THE PUMA YEARS. She is also the founder of ONCA, a Brighton (UK) based arts charity that bridges social and environmental justice issues with creativity, and she lives by the sea on the Isle of Eigg in Scotland with a dog called Nelo.

Twitter/Instagram/FB: @laurajcol / @laura_zc / @lauracolemanauthor

Young, Orphaned Mountain Lion Released Following Rehabilitation

We’re grateful to California Department of Fish and Wildlife (CDFW) for their efforts to save mountain lions in the state. A young mountain lion left orphaned after its mother was killed in traffic, has been released into the wild after months of care provided by CDFW and the San Diego Humane Society (Ramona Wildlife Center). The lion and her sister were roughly six months old when they were first seen in February at the edges of Tijeras Creek Golf Course in Orange County. After confirming the siblings had been orphaned, CDFW with assistance from Serrano Animal and Bird Hospital veterinarians and the UC Davis Karen C. Drayer Wildlife Health Center California Mountain Lion Project captured the pair for possible rehabilitation.

CDFW is carefully piloting the release and rehabilitation of mountain lions in California on a case-by-case basis. This is the second mountain lion rehabilitated and released in the state of California.

Read the press release:


June 23, 2021

Young, Orphaned Mountain Lion Released Following Rehabilitation

A young mountain lion left orphaned after its mother was killed in traffic, has been released into the wild after months of care provided by the California Department of Fish and Wildlife (CDFW) and the San Diego Humane Society (Ramona Wildlife Center).

The lion and her sister were roughly six months old when they were first seen in February at the edges of Tijeras Creek Golf Course in Orange County. After confirming the siblings had been orphaned, CDFW with assistance from Serrano Animal and Bird Hospital veterinarians and the UC Davis Karen C. Drayer Wildlife Health Center California Mountain Lion Project captured the pair for possible rehabilitation.

The first lion was sent to San Diego Humane Society’s Ramona Wildlife Center and placed into a large, isolated enclosure with only minimal human contact. Using remote cameras, staff monitored the lion’s growth for both size and strength for four months prior to release. The second mountain lion had a left forearm fracture and first needed surgical repair by the Serrano Animal and Bird Hospital in Lake Forest (Orange County) veterinary team. She is still in care at the Ramona Wildlife Center and recovering.

CDFW is carefully piloting the release and rehabilitation of mountain lions in California on a case-by-case basis. This is the second mountain lion rehabilitated and released in the state of California. The first mountain lion rehabilitated by CDFW was an adult female when the San Gabriel mountains burned in the Bobcat Fire. Satellite tracking collar data and remote camera photographs indicate that cat has survived and is doing well since its return to the wild in October 2020.

CDFW senior wildlife veterinarian Dr. Deana Clifford is hoping for similar results with the young lion released this week.

“Although this cat is only 10 months old, she’s consistently behaving like a wild mountain lion,” Dr. Clifford noted. “As for any young mountain lion, her chances of survival in the wild are lower than an adult, but if she does survive and reproduce she will make an important contribution to the mountain lion population in this region of Southern California”

“We are very excited to have been a part of this pilot effort for mountain lion rehab in California,” said Christine Barton, director of operations and wildlife rehabilitation at San Diego Humane Society’s Ramona Wildlife Center. “We hope these few months with us have provided her the extra time needed to fill the void left from losing her mother.”

CDFW Regional Wildlife Program Supervisor Christine Thompson said it was through the dedication and cooperation of many organizations (Ramona Wildlife Center, Serrano Hospital, UC Davis) that this release was made possible.

“These efforts of rehabbing and providing medical care are only possible through the valuable partnerships we enjoy with these groups,” said Thompson. “Californians are fortunate to have so many passionate people working for the benefit of the state’s wildlife.”

Video of Monday’s lion release into the Santa Ana Mountains is available for download at this link:


Media Contact:
Tim Daly, CDFW Communications, (916) 201-2058

Florida M-CORES and No Roads to Ruin Update

We wanted to share an update from the No Roads to Ruin Coalition of which we are a part. Along with the Coalition, we have actively been working to halt the development of the toll roads that would further fragment crucial habitat that Florida panthers and other wildlife rely on for survival.

READ:  Controversial plan to expand toll roads hits dead end over environmental, cost concerns

“Campaign Update! No Roads to Ruin Steering Committee Statement on SB 100:

We are eternally grateful for all the time and effort No Roads to Ruin Coalition partners and individual activists have devoted to this cause. We honor them and their work to ensure a better future for Florida.

The No Roads to Ruin Steering Committee did not support SB 100 because the bill did not stop all of the roads at the heart of M-CORES. SB 100 moves our state in the wrong direction and leaves North Florida’s rural communities and natural resources at risk. Florida needs a 21st Century transportation policy that takes us away from new roads through environmentally sensitive areas and towards sustainable transportation alternatives. As such, with two of three toll road threats remaining, we cannot proclaim that its passage and expected signing by the Governor as a triumph.

Only two years ago many of the same Florida Legislators who supported SB 100 voted nearly unanimously to approve the three Roads to Ruin. The 2021 Florida legislature had the opportunity to fully repeal M-CORES with the introductions of SB 1030/HB 763. However, neither bill was ever heard in committee.

Removing the toll road that would have imperiled the Western Everglades and existentially threatened the Florida panther is a tremendous relief. With fewer than 230 Florida panthers remaining, protecting them and their habitat is critically important for their survival and recovery. Removal of an imminent Southwest Central Corridor helps with this fight.

What SB 100 does and does not do:

  1. Eliminates the M-CORES program but not all the Roads to Ruin included in the program.
  2. Eliminates the Southwest-Central Florida Connector in its entirety.
    Keeps the Northern Turnpike extension on the books with a different timetable.
  3. Does not eliminate the threat previously presented by the M-CORES Suncoast Connector.
  4. Provides US-19 north from the terminus of the Suncoast Parkway to I-10 as a way to replace the M-CORES Suncoast Connector.
  5. Includes the M-CORES task force recommendation of avoiding conservation lands with respect to upgrades of arterial highways, but only “to the greatest extent practicable,” and not specifically to the US 19 project.
  6. Frees up money once earmarked for M-CORES to be available for needed road projects throughout the state.This fight isn’t over.
We must press on together to protect our natural resources and local communities from the Roads to Ruin.”

This Earth Day, Touch the Earth

Click to watch our latest video.

51 years ago Earth Day was founded. One of the largest grass roots movements in support of environmental protections. That day in 1970, an estimated 20 million people attended the festivities and marched in the streets demanding that our government do more to save our planet. 20 years later it rose to 200 million and today it is estimated that one billion people celebrate the Earth and will march in the streets for stronger environmental protections this April 22nd.

This Earth Day, after a year that tested us beyond measure, many of us are anxious, bored, over worked or worse, unemployed. We are ready to get out of the house. To help you celebrate the importance of this Earth Day we aren’t presenting a webinar to watch, a town hall meeting to attend or even a march. Today is for the Earth and we are asking you to step up and do something really radical. Something that could very well change your life or at least allow you to see your life and the planet from a different perspective. We are asking you to go outside. Take a hike through a forest, walk by a lake or alongside a river. Hug some trees and put your bare feet in the water. Experience the natural world in all of its glorious splendor.

Allow yourself to indulge in an old fashioned adventure. An adventure where you don’t know how long the trail is, or where the hike will lead you, where it ends, or what previous walkers, runners, bicyclists, or hikers thought about it as posted on social media or in the latest review ap. So please, have an adventure, unplug and go outside.

As you embrace nature and your own inner transformation, you’ll discover that your power—and responsibility—to change the world around you are far greater than you’ve known.

Watch the beautiful video above as your entry into the wild and then get out there. Just walk or hike or ride a bike. Find a park, nature preserves, a forest or some other place that is natural and free. Discover what you have missed, listen to the quiet and pay homage to the planet that sustains us.

Earth. This is your Day. We recognize you. We celebrate you.


Sentinels and Seekers Project:

Photo: Sebastian Kennerknecht

In partnership with wildlife and conservation photographer, Sebastian Kennerknecht, we aim to build public pride and empathy for mountain lions as a means to change policy and potentially assist these cats in their ability to safely move through their habitat.

The Sentinels and Seekers Project will show the pride we have in the iconic cats that are currently protected and develop empathy for those lions that are not as lucky.

PRIDE: Mountain lions occupy much of the western US. Some individuals stand guard over the most sacred of our protected lands, like Yosemite and Glacier National Parks, and the Grand Canyon. These lucky sentinels occupy about fourteen percent of puma range. By visually depicting these sentinel cougars in the most iconic of US landscapes and habitats – showing their wildness and strength – the project aims to create a sense of national pride for them and the environments we have already protected.

EMPATHY: With your support, we can raise empathy and potentially establish policy changes for three separate wildlife habitat where the potential for wildlife corridors to be established is strong. Washington, California and Arizona have key areas that cause mortality of our cats attempting to navigate through human habitat. The photographs taken at these critical points are the catalyst for the empathy needed to protect these wildlife corridors.

The comparison of sentinel and seeker cats will introduce you to individual pumas allowing a connection to be formed between humans and cats with unique personalities and characteristics. A population of animals sometimes means little to a person, an individual cat, with a given name, means everything. Your help with this project means even more.


Olympic Peninsula, WA

Habitat: lush temperate rainforest

Barriers: peninsula exit points are getting cut off as Seattle suburbs expand. Interstate 5 proves another seemingly impossible road to cross for the cats.

Solutions: policy action to maintain corridors, fund-raise for 1-5 overpass.

San Francisco East Bay, CA

Habitat: oak savanna

Barriers: fast paced urban sprawl will cause isolated puma populations

Solutions: policy creation to protect wildlife corridors between populations.

Sonoran Desert, AZ

Habitat: arid desert

Barriers: Interstate 10 is a major movement barrier for cats dispersing north

Solutions: wildlife overpass over the four lane freeway.

CLICK HERE to support the Sentinels and Seekers campaign!

Mountain Lion Kill-Site Forensics: Identifying Predation, Scavenging and Kleptoparasitism

Words and Photographs by Phil Johnston


Be advised: This article contains graphic images of animal remains.

Whether you are a wildlife biologist, cattle rancher, small organic farmer, or just an outdoor enthusiast, learning to accurately interpret the feeding signs of carnivores can enrich your natural experience, protect your livelihood, and ensure accuracy in data collection for wildlife research and management. Centuries of folklore and decades of Hollywood films have portrayed carnivores as blood-thirsty killing machines, slaughtering livestock and humans for sport, and the average person in the 21st century gravitates towards the most dramatic and fearful explanations when encountering a carcass in the woods. I have seen people swear that a deer they found had been killed by a mountain lion despite the complete lack of feeding sign on the carcass and the presence of a highway just yards away. Interpreting the feeding signs of predators and scavengers can quickly become immensely complex, especially when multiple species have shared a carcass, but understanding the behavior, feeding mechanics, and preferences of different species can allow you to untangle intricate stories of predation, scavenging and kleptoparasitism. The word “kleptoparasitism” refers to when one animal steals the food obtained/gathered/killed by another, and this ecological interaction plays a major role in shaping the feeding behaviors of different predators and scavengers. Now might be a good time to warn you that this article contains extremely graphic pictures of dead animals in various states of mutilation and decay, so if you would rather not see such things scroll no further.

A black bear feeds on a deer carcass

Click on images to view the high quality, full-size version.

Let’s start with the basics. Larger animals cause more significant damage to carcasses, and smaller animals cause less significant damage and leave more parts behind. This intuitive fact is apparent from prey items as small as sparrows to as large as elk. When a sharp-shinned hawk eats a varied thrush, the many body feathers must be removed as each small downy feather would be an awkward, non-nutritive mouthful for the small hawk, and thus when investigating the kill-site you will find nearly every single body feather neatly removed and piled on the ground. When a mountain lion eats a varied thrush, the small amount of meat on the bird is certainly not worth the time it would take to remove every single feather, and each individual feather does not represent nearly the same level of gastronomic hardship for the lion as it would for the sharp-shin, and in fact the lion will pretty much eat the bird whole, leaving behind a handful of flight feathers and whatever body feathers just happened to fall off as the bird was gobbled up.

Feathers from a varied thrush where it was plucked clean by a bird of prey. This was initially misidentified by a field researcher as a mountain lion kill.

When a mountain lion feeds on a deer carcass, many of the largest bones in the body will be crunched and partially or entirely consumed, including vertebrae, femurs, pelvises, skulls and scapulae. When a collection of smaller scavengers such as foxes, fishers, skunks, bobcats, eagles and vultures feed on a deer carcass the majority of the bones and skeleton will remain intact, picked clean of meat. With just this basic knowledge in mind, examine the photos below of a deer carcass in northwestern Oregon, taken by Paul Glasser, and try to determine what has been feeding on it.

Photos by Paul C. Glasser


Notice that the posterior ribs have been chewed through, and some of them have been pried and bent out to odd angles. The hind legs have been picked clean, and the femurs, fibula and tibia are still articulated to the skeleton. The heart and lungs of the deer are uneaten, but the fleshy exterior of the rumen has been consumed almost entirely, leaving its inner contents exposed. The front right leg of the deer is entirely missing, but given that the articulation of the scapula to the ribs and vertebra is entirely muscular and not skeletal this is not surprising. Finally, the carcass has been left in the middle of the creek and the position of the animal is consistent with a natural dying pose, indicating that the carcass has not been drug or repositioned. All of the above are great indicators of the feeding of mesocarnivores such as foxes, bobcats, fishers, raccoons, skunks, etc., and are negative indicators of larger predators such as black bears, mountain lions, wolves and coyotes. This buck was hit by a car on a road nearby and limped off to die in this creek bed, and Paul placed a trail camera at the site after taking the above photos, which revealed first a bobcat and then a coyote feeding on the carcass. Let’s break this story down by the various body parts and organs of the deer and the feeding sign that they bear.

Digestive Organs: Bobcats and mountain lions are obligate carnivores, and both species tend to leave the digestive tracts of their herbivorous prey completely untouched, and sometimes they even remove these organs and cover them with debris a short distance away from the rest of the carcass. In the case above, the fact that the digestive organs have been opened and fed on suggests that some other omnivorous scavenger was at work before Paul”s camera captured the bobcat. Bears, coyotes and most omnivorous mesocarnivores will eat at least part of the rumen or intestines, and sometimes they will eat the entire tract and its semi-digested contents. Benjamin Kilham has observed black bears feeding directly on deer scat and speculates in his excellent book, “Among the Bears”, that this serves to inoculate their own guts with the bacteria upon which deer rely to digest plant matter, thereby increasing their own ability to educe nutritive energy from vegetation. It is possible that bears and omnivorous mesocarnivores derive a similar benefit from feeding directly on the stomach and intestines of ruminants. In short, bobcats, mountain lions and other obligate carnivores are very careful not to make a mess of the digestive tract and its contents, while more omnivorous species tend to show indifference and sometimes the opposite inclination.

The rumen of a black tailed deer, removed and discarded by a mountain lion who subsequently drug the carcass about 12 yards away to feed.

Internal Organs (heart, liver, lung, kidney):

A deer carcass bearing the initial feeding signs of a mountain lion. Note the plucked mouthfuls of hair, and clean opening of the rib cage. In this case, the cat also cracked into the femur and ate a little bit of the hind quarter before feeding on any of the internal organs.
The internal organs are rich in blood and vital nutrients such as Vitamin A which mountain lions are physiologically incapable of synthesizing themselves, and are therefore one of the first things that a mountain lion consumes after a kill is made. But in order to get to these organs the cat must pierce the hide and open the thoracic cavity. This is done by first plucking out individual mouthfuls of hair with their incisors, which gives the hide the appearance of a patchily buzzed scalp. The plucking of hair can go on for quite a while, almost an hour or more, and large areas of the flank or rump may be plucked before actual feeding begins. When the time comes to open the carcass, it is usually done right beneath the lowest rib, and the lion will use its carnassial teeth to shear off great chunks of meat and bone, eventually cutting the ribs right down to the vertebrae. The lion will move upward chewing through the rib-cage, and when a sufficiently large hole has been created the cat will begin feeding on the liver, kidneys, heart and lungs. With deer and other ungulates, it is rare for a lion to leave more than a few small scraps of the internal organs, but this is not always true of smaller prey. In my study area in Hoopa, CA, lions tend to leave at least part or sometimes all of the liver when feeding on fisher, but typically consume all the internal organs of gray foxes and raccoons. Notice that the carcass discovered in Oregon by Paul Glasser has not had the heart and lungs removed. Bears, coyotes, foxes, fishers and many other carnivores tend to begin feeding on the hind quarters and open carcasses through the anus.
The feeding site where a mountain lion consumed a black tailed deer fawn. Nothing remains of the fawn but tufts of hair in the duff and one small molar tooth, even though this kill happened in September and the fawn was relatively large.
Bones: Mountain lions use their carnassial teeth to crunch and shatter large bones, much of which they will eat along with the nutritious marrow inside. It is not uncommon to find bone chunks as large as 1×1″ square in mountain lion scats. Even when feeding on adult deer mountain lions will often consume the entire spinal column, both femurs, both humeri and most of the skull (if antlerless). When feeding on fawns, even late in the summer and early fall when they are quite large, often nothing remains but fur and a couple of molars. Mountain lions may decide to move on a from an adult deer kill before they have consumed all of the valuable parts depending on many variables, but typically they will stay very near the kill and continue to feed on it until nothing remains but a partially-chewed pelvis, the distal ends of the 4 legs, and a mutilated skull – often with the snout and brain case chewed off, leaving the middle of the skull around the molar teeth.
The remains of a yearling black-tailed deer, which I pulled from a mountain lion’s cache after she had moved on from the kill. All four feet, both ears, the tail and the bony palate and tough molar teeth are all that remain.


Coyotes, bobcats, foxes and other mesocarnivores have the muscular and skeletal capability to cut through small bones such as ribs but they are unable to break into the larger bones of deer like femurs. Black bears are also capable of breaking large bones but they are apparently less inclined to do so, and I typically find more intact femurs and spinal columns at black bear feeding sites than at those of mountain lions. This is variable and I have found bear feeding sites where little or nothing remained of the deer but I believe that the rounded, omnivorous molars of black bears and their vegetation-adapted digestive tracts make them less well-equipped to process and digest large pieces of bone, whereas mountain lions are clearly adapted for the cause. The spinal column is accompanied by some of the largest, choicest pieces of meat on an ungulate, known commonly as the backstrap and the tenderloin. These muscles are also what makes up the T-bone steak from a cow, where the T-bone is the vertebra bordered on one side by the backstrap and on the other by the tenderloin. When feeding on deer mountain lions often consume the bones of the spinal column as they feed on these large supporting muscles, chomping each vertebra into bit-sized pieces, whereas mesocarnivores and bears tend to nibble at the meat in between the vertebral spines, leaving a more-or-less intact spinal column with ribs and spines sheared, bent or broken.


A black tailed buck in a mountain lion’s cache. I interrupted the lion while it was feeding on the backstrap, tenderloin and spinal column of this deer, and you can see that the vertebrae were being devoured in tandem with their accompanying muscle groups. Note also that the hindquarters of the deer have not been fed on at all yet but the forequarters and spine are largely consumed.
A yearling black tailed buck exhibiting the typical sign of a few days’ worth of feeding by a mountain lion. Note the neatly folded position of the carcass, which reveals the fact that the spinal column has been entirely consumed.

Placement, caching, and tidiness: Different species of carnivores have different preferences for where and how to feed on carcasses, and they also differ in their ability to move and cache them. While a black bear may be able to entirely bury an elk carcass in vegetation and forest duff this task would surely be insurmountable for a gray fox, who may instead resort to removing individual chunks of meat to be cached separately nearby. And while a grizzly bear may choose to drag an elk carcass a few hundred yards to a more secluded place to feed, a mountain lion (or any smaller critter for that matter) would be unable to move such a large carcass and would be forced to feed on it where it died. Animals also have different morphology that makes them more or less willing or able to navigate certain types of terrain while dragging a carcass, and in some cases, it is possible to identify a predator just by the seeing the path where the carcass was dragged.

Drag marks of the front and hind hooves of a deer fawn as it dangled in the jaws of a mountain lion. This male lion carried the fawn along this forest road for 1/3 of a mile.
While we often think of mountain lions as top predators, it is important to remember that throughout the 5 million year period since their divergence with their closest living relative, the jaguarundi, mountain lions were actually subordinate and vulnerable to a diverse array of extremely formidable terrestrial carnivores including short-faced bears, dire wolves, saber-toothed cats and more. In fact, mountain lions are still subordinate to wolves and bears (both black and grizzly), all of which occasionally kill mountain lions and regularly steal their kills (kleptoparasitism). This subordinate status lead mountain lions to evolve a suite of covert and clandestine behaviors which decrease the detectability of their kills on the landscape in order to reduce kleptoparasitism, as well as minimize the danger to themselves that is inherent when conflict over carcasses ensues. There are three distinct elements to this covert behavior which are present at most mountain lion kills and those are 1) Hiding, 2) Caching and 3) Latrines.

Hiding refers to the overall placement of the carcass on the landscape, which mountain lions are quite particular about. If the carcass is small enough for them to move (anything deer-sized or smaller) than they will almost always drag it to a sheltered place to feed. Mountain lions generally like to feed under some sort of cover if available, which can be a rock overhang, a willow thicket, or a stand of dense young firs. This behavior serves at least 3 purposes: 1) reduces the visible detectability of the carcass, 2) provides shade which minimizes spoilage of the meat and thereby reduces the olfactory detectability of the carcass, and 3) provides the mountain lion with shelter from the elements as it feeds. How far a mountain lion will drag a kill depends on the terrain, how near the closest suitable cover is, and how large the kill is. For adult deer kills in the mountains of the Pacific Northwest somewhere between 40 and 150 yards seems normal, although I have seen instances where lions carried prey much farther. Lions tend to drag their kills downhill, and it is common for them to end up in the bottom of a drainage or right next to a creek.


Left: Drag mark where a female lion drug a buck downhill to a secluded feeding site in the brush in the background of the frame. Right: The buck from the left picture after the kill had been kleptoparasitized by a black bear, and drug out of the lion’s secluded feeding site and left out in the open. Note the drag mark leading backwards from the buck and up to the top right corner of the frame.

Black bears will often drag a kill from where they discover it as well, but where they drag them to often lacks the strategic purpose that appears in mountain lion drags. Bears will often drag a carcass a hundred yards or more just to leave it completely exposed in the full sun, a behavior which is inexplicable to me. Bears tend to drag large carcasses in a direct line, choosing to go over or break through obstacles such as fences or thickets, whereas mountain lions tend to go around these barriers. Large black bears are much more powerful than mountain lions, and they are capable of dragging larger carcasses over fences or bending and breaking strong wire fences, while mountain lions tend to drag large carcasses right up to a fence and feed on it from the other side, through the fence, rather than attempt to drag the carcass over the fence. Bears also feed in a semi-haphazard way, tearing away at whatever part of the deer is most accessible, and this can result in carcass that are mutilated in very asymmetrical, random seeming ways. I think this speaks to the fact that for a bear a deer carcass is a very occasional bonanza, something that happens so irregularly that perhaps they don’t have the opportunity to develop a methodical order of feeding, whereas for mountain lions deer carcasses are their bread and butter, and everything about the way they feed on them is designed for efficiency and discreteness. When bears feed on deer for several days it is common for the kill to end up partially spread around, with a few bits of hide, bone and fur left over in various beds they’ve used while feeding. In these cases, it is common to find a mostly intact spinal column, sometimes with the pelvis still articulated, with a scapula or two and skull elsewhere but nearby. When coyotes and wolves feed on ungulate carcasses the result is typically quite a yard-sale, as the carcass is scattered about by the individual pack members who each retreat to his/her own preferred corner to feed. Compared to all other North America predators mountain lions are exceptionally tidy with their kills, although this excludes bobcats and lynx whose feeding habits are similar but lack the tendency/ability to break large bones as mentioned previously.


Left: A lion kill stolen by a black bear who drug the kill out from the lion’s cache to leave it in the full sun on a summer day. Note the atypical feeding pattern which resulted in the deer being torn in half. Right: a buck killed by a lion but mostly fed on by a bear. Note how the meat has been pulled and shredded off the ribs but the ribs have not been eaten themselves – lions always feed by eating the rib bones and meat simultaneously.

Caching is the term used when animals hide their food in one way or another. The term applies equally to Clark’s Nutcrackers stashing pinyon pine seeds and to grizzly bears burying a moose carcass. Mountain lions cache deer and other kills by piling forest duff and debris on top of them. There is no digging or true burying involved, and while some dirt may end up in the mound atop the carcass the mountain lion’s caching behavior is mostly restricted to the layer of forest detritus above the dirt. Moss, twigs, grass and dead leaves can all be used by mountain lions to cover a carcass, which are swept up by repeated, careful strokes of the front paws in slow rotation until the carcass is covered from all angles. Mountain lions do not always cache their kills, and the behavior appears to be much more prevalent in areas where mountain lions experience high levels of kleptoparasitism. Before caching a kill, a mountain lion will usually fold the carcass into a neat little bundle, which minimizes the amount of meat that will be exposed to dirt. This is one of the key differences between caches made by mountain lions and those made by black bears, who also mound debris atop carcasses to minimize detection by other carnivores. When bears cache a carcass, it is common for lots of dirt and debris to enter the carcass (in the abdominal and thoracic cavities) and for exposed meat to get coated in dirt. I have found many deer carcasses where the deer was stuffed with dirt like a thanksgiving turkey, which is a result of the comparatively careless fashion in which bears cache. Mountain lions are apparently very careful to keep dirt and other unwanted spoilage factors from contaminating the meat, and their kills are kept very tidy. In addition to the amount of dirt packed into the carcass and on the meat, another useful clue for distinguishing bear and lion caches is the general amount of material used. Mountain lions tend to use just enough material to get the job done, whereas black bears often go way overboard and create an unnecessarily gigantic mound of debris.

Above: A typical mountain lion cache sensible, subtle, and absolutely no larger than it needs to be. Below: A typical black bear cache where the deer was completely buried almost one foot deep in vegetation, and the surrounding area is scraped bare for about 6 feet in all directions (Note: I uncovered the deer for the photograph).

A buck killed by a mountain lion and kleptoparasitized and partially cached by a black bear. Note the amount of debris stuffed into the abdomen and the deep circular bed right in front of the buck.

Additionally, any carcass being fed on by a black bear is going to be surrounded with associated black bear sign – tracks, scats, stomp-marking trails, rub-marked trees and distinct bear beds. Being generally familiar with all of these signs is very helpful in interpreting kill-sites, but is beyond the scope of this article. Bear beds however are worth mentioning here because they often bed literally right on top of the cache mound, giving a distinct appearance to the cache. Black bears create very deep beds, hollowed into the ground by repeated rubbing, rolling and pawing, and leaving a distinct circular impression right next to or on top of the cached carcass.

Another typically deep and well-worn bear bed right on top of a young deer carcass which was killed by a mountain lion and stolen by the bear.

As a safety note, black bears can be very defensive of carcasses and some individuals are likely to bluff-charge if you attempt to displace them from the kill, and some may even attack. Mountain lions however are almost never defensive of kills when humans approach, but in any case it is extremely important to be very aware of your surroundings when at a kill-site, especially if there is sign of a bear around.

A black bear, awoken from his slumber atop a deer kill stolen from a mountain lion, launches immediately into a charge.
Bobcats also create caches, but their smaller bodies and paws are simply not capable of completely covering a deer the way a mountain lion or bear can and bobcat-cached deer tend to appear strangely half-buried with the high points of the carcass exposed. As mentioned before, red and gray foxes do create caches but they remove small chunks of meat and scatter them about, usually digging a little hole to place the meat in and then covering it back up with their snouts.

Latrines are what we call repeated defecation sites used by an animal. Raccoons create latrines at the base of trees in which they sleep, and mountain lions create latrines at kill-sites where they repeatedly gorge themselves. It is largely a misconception that our North American wild felids cover their scats, which is more typical behavior of domestic cats, but the one place where mountain lions do cover their scats is at their kills. I believe the function of this behavior is purely to minimize the olfactory detectability of the kill-site, and several times I have seen where a mountain lion has elected to poop in a stream over and over again as it fed on it’s kill nearby, rather than create a typical latrine. The water serves to keep the scent down just as well as forest duff, and requires none of the work! Mountain lion latrines are just piles of duff which are about 18 to 24 inches in diameter and 8 to 16 inches high which contain anywhere from 1 to 5 scats. Sometimes a lion will choose to make a new small latrine pile every time it poops at a kill-site and sometimes they choose to continue adding to one latrine. Regardless, this is a uniquely mountain lion behavior and is diagnostic. Black bears, having taken over a lion’s kill, will open up the latrine and eat the lion scats inside, much as some domestic dogs are attracted to domestic cat scat (much to the dismay of their owners). Black bears scat next to their beds and wherever they spend time and make no effort to cover their scats.

Kleptoparasitism is a routine part of the mountain lion’s existence, and in some regions they lose the vast majority of their kills to dominant scavengers such as black bears, wolves, grizzlies and even condors. Where I work in Humboldt County, CA, we have one of the highest black bear densities in the world. This results in mountain lions having almost every single one of their deer kills stolen between the months of April and December when bears are most active. This makes a more complex task for researchers, farmers, wildlife managers and outdoor enthusiasts hoping to interpret ungulate kill-sites. Confirming that a mountain lion killed an animal after a black bear has been feeding on it for several days can be extremely difficult and sometimes impossible, but there are several important things to look for and those are killing wounds, plucked hair, old caches and old latrines.

Killing wounds are where the mountain lion used its powerful jaws and canine teeth to kill the animal. This is usually accomplished on ungulates by biting the throat and crushing the larynx, which asphyxiates the animal. On smaller deer like yearlings and fawns mountain lions may simply crush the back of the skull with a powerful bite, but the skull of older animals and those with antlers is often too tough and bony to allow this. Mountain lions also sometimes bite the noses of ungulates as they battle to subdue them, and this can result in distinctive teeth and claw wounds. One very effective way to identify whether or not a mountain lion killed an animal is to open up the skin of the throat with a knife and examine the inside of the skin for puncture wounds and clotted blood, which results from wounds that bleed internally while the animal is still alive. Occasionally you will find puncture wounds that are clear enough to identify the two upper and two lower canine marks of the predator, and measuring these with calipers or a ruler can be helpful. The distance from the tip of one upper canine to the other on a mountain lion is usually between 1.6″ and 1.75″, and about 1.5″ between the lower canines. Black bears are usually 1.8″ to 2″ between both the upper and lower canines, but some smaller bears may overlap with larger lions, but black bears typically attack animals from the back of the head and neck. Additionally, it is exceedingly rare for a black bear to be able to capture a healthy adult deer (although they decimate fawns in the early summer) so almost any kill you find with a bear on it was probably stolen. If there is clotted blood and canine wounds in the throat of the animal, it was almost certainly killed by a lion or bobcat (bobcats kill deer too, but again, can’t crunch large bones).


Left: I accidentally discovered this kill when I heard the bear caching the carcass and went to investigate. Knowing that bears are mostly unable to capture adult deer I suspected it had been killed by a lion so I skinned out the neck to confirm. Sure enough, puncture wounds and clotted blood (pictured right) pooled on the underside of the neck tell that this animal was killed by asphyxiation – the typical kill method of mountain lions.


A buck showing all the signs of mountain lion feeding and predation. Drug into a dense, shady thicket out of the open, ribs sheared and eaten up to the forequarter, internal organs consumed and digestive organs removed, as well as killing wounds on the face and nose. This buck was still in velvet and the lion fed on the blood-rich vascularized tissue in the antlers as well. This lion fed on this buck for several more days until very little was left.

Plucked hair may be the only way to tell the original predator of a kill if a bear has been feeding on the carcass for a long time and has destroyed most of the other evidence such as neck wounds. As mentioned earlier, before eating any part of an ungulates body the mountain lion will meticulously pluck the hair, one mouthful after another, leaving a large pile of distinctively clumped fur. If you have a kill-site with bear sign everywhere and only little bits and pieces of bone remaining, take a walk around and look in the sheltered shady nooks nearby for piles of plucked fur – this will tell you without a doubt that the kill was originally made either by a mountain lion or a bobcat. Again, if the kill is fresher the way to distinguish bobcat from lion kills is by the thoroughness of the cache and the state of the large bones – half-cached with all large bones intact? Bobcat. Fully cached with large bones crunched? Mountain lion. Old caches and old latrines may not survive the antics of a feeding bear but often enough they do and can provide definitive evidence of mountain lion feeding. If there is a drag mark leading backwards from the carcass, follow it as far as you can and you might find where the lion originally removed the digestive organs and cached them, or where it plucked hair from the flank. If that does not work look for latrines which may or may not have been opened up and fed on by the bear.

Mesocarnivores & Small Prey

When mountain lions feed on mesocarnivores and other small prey such as rabbits or small domestic animals, the feeding sign can be quite different from large ungulate kills, but several of the rules outlined above remain true. Mountain lions still pluck at least some of the hair from small kills, though the smaller the prey item the less hair is plucked. Very small animals such as chipmunks, mice, warblers, voles and woodrats may be eaten in their entirety, making interpretation of the sign and confirmation of predation difficult or impossible. For medium-sized critters however, such as foxes, raccoons, fishers and house cats there is a typical appearance to the sign left by feeding mountain lions, where the tail, digestive organs, and fragments of the skull remain. Mountain lions are generally not keen on eating tails, which promise a mouthful of hair and bone and not much meat, so these are typically found almost completely intact, and it is unusual for a lion to consume any more than the proximal 1/3 of the tail which has more meat. And just as is the case with larger prey such as deer, the bonier parts of the skull including the supraoccipital plate and the palate with rows of molars are ignored. However, when feeding on deer kills mountain lions often feed on the nose, crunching off the distal ends of the nasal, premaxillae and turbinate bones, but these parts are ignored on mesocarnivores. In fact, on mesocarnivores killed by mountain lions it is common to find the entire snout and nose left perfectly intact, with the skull crunched and eaten from the orbits backwards. Bobcats however are typically either incapable or uninclined to actually crush the brain case of even small mesocarnivore prey such as mink, and instead with their kills you tend to find intact skulls with canine puncture marks in the brain case. It is very unusual to find intact mesocarnivore skulls at mountain lion kill-sites, and this can be a helpful way to differentiate their kills from those of smaller carnivores. Both mountain lions and bobcats leave the digestive organs of mesocarnivore prey intact in a neat pile, but other carnivores such as coyotes, wolves and domestic dogs may or may not eat these organs.


Left: Two American mink skulls, both of whom were killed and fed on by a bobcat. Right: a northern raccoon skull which was killed and fed on by a mountain lion. Notice that the mink skulls are both completely intact, and that the left skull bears canine puncture marks while the right skull is completely unbroken, while the much larger raccoon skull was largely destroyed by the feeding mountain lion.


A gray fox killed by a mountain lion, and a close-up of the fox’s intact snout. Note the plucked hair, intact tail, and piled digestive organs. Mountain lions may or may not choose to cache mesocarnivore kills, depending on the size of the animal. Gray foxes are too small to cache, but sometimes a large raccoon warrants caching so the lion can finish it’s meal in a second sitting.
What remains of a northern raccoon after being killed and eaten by a mountain lion. Notice the intact tail, plucked hair, and fragmented skull in the top right corner of the frame.

Smaller prey such as gray foxes, fishers and rabbits are typically too small too warrant caching by a mountain lion (indicating that the lion was able to completely consume the animal in one sitting), but larger animals such as coyotes, beavers, and large raccoons and bobcats are often cached. The raccoon in the image above was not cached, and the female mountain lion who ate it spent 14 hours at this location, and most of that time was likely spent napping rather than feeding. Interpreting smaller prey kill-sites can be more challenging because the predator spent less time consuming the animal, which results in less accumulated sign for you to read, but the key features of mountain lion kills on mesocarnivores are 1) Skeleton almost entirely consumed, 2) Skull crunched, and 3) Digestive organs intact.

Putting it All Together – A Real-World Scenario

Now let’s walk together through a real-world example of livestock depredation that I was called to investigate, and use the information we’ve learned to try to come to a definitive conclusion about which predator was responsible. So in this scenario you have been called out to investigate where a goat has been killed. The goat’s owner actually watched this happen in the middle of the night, and informs you that they are 100% certain that the goat was killed by a mountain lion. Immediately you notice where the 4 foot-tall welded-wire fence has been mangled and bent over, and blood and hair are stuck to the fence. Right beyond the mangled fence is a blackberry thicket and the white undersides of flattened and overturned leaflets clearly show where the carcass was dragged.

Bent and broken blackberry brambles reveal where a goat carcass was dragged by a predator.
Just a few yards to the right of this thicket however there was a path free of blackberries, protected from view by an overhanging limbs, and you note that the predator neglected to take that protected route and instead bashed right through the blackberry thicket. Following the drag farther beyond the blackberry thicket you notice deep football shaped impressions in the duff and vegetation, in an alternating pattern of foot steps. You find the goat carcass about 75 yards from the pen where the goat was killed and immediately notice that it is completely uncovered and laying in the full sun. The front quarters have been fed on but the thoracic cavity has not been opened, and the carcass has also been opened from the anus and a long piece of intestine has been pulled out and lays across the carcass. You notice multiple uncovered large scats full of blackberry seeds, as well as animal remains.
The goat carcass showing signs of black bear feeding – no plucked hair, feeding on the fore quarters as well as digestive organs which have been pulled out through the anus where the bear also opened the carcass.
At this point you know one thing for certain – a black bear has been feeding on this goat. In fact, every single thing about this kill has pointed towards black bear from the start, except for the testimony from the goat’s owner who was convinced the animal they saw was a mountain lion. The first thing that said “bear” was the mangled fence where the 150 pound goat had been dragged over it – a mountain lion probably would drag the goat right to the fence and fed on it from the other side. Next, the fact that the animal chose to bash right through the blackberry thicket rather than take the protected, open path to the right – mountain lions have very sensitive feet and if presented with an alternative to dragging a large carcass over blackberries they will take it. Then the football shaped impressions in the duff, which are the characteristic stomp-markings of a black bear. And finally the fact that the carcass was laying in the full sun, and was opened through the anus, with obvious feeding on the digestive organs.

But at this point we have not ruled out with 100% certainty the possibility that a mountain lion killed the goat, only to have it very quickly taken by a black bear. To come to a certain conclusion you search the area thoroughly for any piles of plucked hair, and examine the chest of the goat to see if any hairs have been plucked. Finding none, you examine the fine dust in the pen of the goat very closely, looking for any partial mountain lion tracks. Even finding one mountain lion track in the pen would place a lion at the scene and with that evidence plus the testimony of the owner you could be certain that a mountain lion had indeed killed the goat. But instead you find only black bear tracks in the pen, and in combination with the mountain of evidence of black bear predation and the complete lack of mountain lion sign we are now certain – a black bear killed this goat in the pen, and drug it over the fence and the blackberries and fed on it. Now, if the owner of the goat is interested, you should respectfully communicate and show them the evidence you are seeing and explain why you have come to the conclusion that you have. Many people are quite upset after losing an animal to a predator, and having someone come in and tell them that the mountain lion they saw was actually a bear can trigger emotional reactions, so it is important to be compassionate and respectful when explaining yourself.

Finally, sometimes it is impossible to be certain just what happened to an animal, even for experts with decades of experience. But it is just as important to recognize when that is the case, and to maintain a professional attitude and be honest with your employer, the public and yourself about when the situation is just not clear enough to interpret. In this modern age traditional field skills like tracking and kill-site interpretation too often take a backseat role to advanced models and statistical analysis, but your model is only as good as the data you feed it, and your data is only as good as your interpretation of the sign. Honesty is of the utmost importance. Afterall, some day it might be an animal’s life on the line if you make the wrong interpretation. Stay curious, stay engaged, and stay outdoors!

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