This short video clip is well done. That I appear in it makes it extra special, though my contribution is limited to just my advocacy work and includes none of my fieldwork or behavioral studies, nor the DNA project I’m working on.
How Coyotes Conquered American Cities, by William Poor
07 Apr 2020 1 Comment
in coexisting with coyotes, coyote behavior, documentary, newsprint
Shelter-in-Place: More Coyotes Taking To The Streets?
31 Mar 2020 4 Comments
in coyote behavior, coyotes and cars, coyotes and human behavior, reactions to a human

I see this coyote regularly walking the streets between his two parks when few people are out to see him. But with “shelter-in-place” more people were out in their neighborhoods where they could see him. He reacted, as can be seen in photo below.
People have been asking me if I’ve been seeing more coyotes on the streets during this shelter-in-place time — there was a write-up about it in our local rag. The answer is no, I have not. The coyotes that I myself routinely observe are NOT out more in the streets than usual. In fact, with pupping season approaching within weeks, most of my regular coyotes are hunkered down very close to home and waiting for the big event. Pregnant females generally tend to be much more careful and elusive during this vulnerable time in their lives — I’m seeing them less frequently than normally, and certainly not in the streets.
It could be that some of the remaining youngsters who have not yet dispersed have been wandering a little further afield, including in the streets, a few even dispersing, but the numbers would not be significantly different from any other year.
When pups are born in a few weeks, if resources are scarce in the family’s immediate and usual hunting areas, they’ll travel out further, including through the streets and neighborhoods where you might see them, but this is part and parcel of their yearly cycle — it is not caused by humans vacating the streets while sheltering-in-place.
If a few humans feel they are seeing more coyotes on the streets during this shelter-in-place — and by the way, some of the photos in the article were taken in parks where we see coyotes regularly and not the streets — it’s probably because these humans themselves are more out around in their neighborhoods and therefore are there to see them. I’ve seen many more people out in their communities than usual these last few days.
And yes, some coyotes on their normal routes which do include streets, will experiment with ‘shortcuts’ and new routes, where some people would then be seeing them where they normally don’t. I’ve actually seen the opposite effect in a couple of parks and neighborhoods in San Francisco where human outdoor activity has suddenly picked up because people need their exercise: here, I and some other observers have been seeing coyotes on the streets much less than previously. This, again, is probably more properly due to the upcoming pupping season.

Anxiety because of being watched caused this coyote to dump right then and there — so even more people saw him
Presentation at China Camp State Park
11 Mar 2020 Leave a comment
I’ve again been invited to give this presentation, this time at the China Camp State Park. For more information, press the above image or press the link here. Again, this will encompass the same information presented at PHS/SPCA on October 18th.

More Infection From Tagging
08 Mar 2020 7 Comments
in human intervention, radio collars, radio collars interfere
These photos were taken in the Presidio of San Francisco on February 19th by EEHelton and posted in iNaturalist. The Presidio is the only place in San Francisco where tagging is done. This is an obvious example of an infected ear caused by tags. I know this female coyote who was perfectly fine only a month before these photos were taken — an infection can occur long after the tags are initially inserted. Human intervention of any kind causes the greatest harm to these animals. Human desire for information should never trump the the well-being of the animals themselves. Please, let’s leave the animals alone. What we want to know can be gleaned from simple observations.

Click on the images to enlarge and scroll through them.
I have already written extensively about Detrimental Effects of Radio-Collaring and tagging. Click on this link to read more.
Correspondence Update:
I wrote this to the ecologist who put on the tags: “I posted photos of Purple/Purple’s infected ear on my blog, and now I’ve received a torrent of emails asking 1) if she’s okay, 2) when was she attended to, 3) what was done about the infection. Could you please let me know these things so that I may pass this information on? Janet”
His response: “Unfortunately there is nothing that I can do unless she comes back into the Presidio and even then, the chances of being able to capture her is next to impossible. If for whatever reason ACC captured her (which wouldn’t happen) I’m sure they would tend to her injury.”
I wrote back: “Thanks for your prompt reply. This is beyond upsetting: I was absolutely sure you were on top of this and had fixed it by now. It’s been a full month since those photos were taken — she must be in horrible pain. You put those gadgets on the animal, and having done so, you are responsible for the harm those gadgets are causing, and now it’s really up to you to fix the harm. You are the only person, having radio-collared her, who can find her and re-capture her. It would be cruel for you not to do so ASAP. Who do you need “permission” from to do anything? Please let me know. Janet”
His response: “You’re right. We will do everything we can to capture her and treat her ear. I will reach out to ACC to see if there is any way they can help outside of the Presidio.”
I wrote back: “I heard back from ACC: they “have no plans to capture and treat any coyotes: their policy is not to interfere with wildlife” (which I generally agree with) unless it becomes incapacitated.”
———-
SO, NOTHING WAS DONE. I spoke to my wildlife veterinarian who said that after a month, the wound could have healed. I finally found this coyote: she’s been hunting and moving around and able to take care of herself, but I haven’t been close enough to assess her ear. If I’m able to do that, I’ll update this post.

Making Peace With Coyotes, by Tripp Robbins
07 Mar 2020 2 Comments
in coexisting with coyotes, coyote behavior, newsprint
More and more articles about coyotes are appearing which give a more rounded view of coyotes along with useful guidelines for coexistence. These are replacing the sensationalist and fear-provoking writeups which predominated only a few years ago. Thank you, Tripp Robbins and Half-Moon Bay Review for your contribution in this direction! [Press image to the left to read the article, or use the embedded version below]
[*One clarification: I’ve actually been studying/documenting many more than just one coyote family here in San Francisco over the last 13 years. It’s been as high as 11 locations and as many as seven families at one time. I’m limiting myself to four families in-depth these days, and a simple “check-in” with the others: if I see something exciting occurring in those where I simply check-in, I dive in deeper there.]
Dad Exercises His Control
05 Mar 2020 3 Comments
in coyote behavior, coyote fun, father/pup learning, hierarchy, oneupmanship, sibling rivalry, siblings
I had been watching a 10-month-old coyote youngster — I’ll call him “Sibling” here — behave rather hesitantly — maybe apprehensively. Instead of venturing forth to hunt, as was his habit, he was sitting and simply watching — in fact, watching one spot in the distance — as if waiting for something to emerge or appear. The evening rendezvous would soon begin, but why the apprehension? The rendezvous is the evening meetup where, after sleeping usually in somewhat separate locations, the coyotes come together to meet and greet and interact, usually joyfully with wiggles, body hugs, reaffirmations of statuses and squeals of excitement.
I turned away to speak to someone, and when I turned back, there was Brother, lying over him. ‘On top’ is usually dominance in the coyote world. I missed seeing their initial greeting, but I sensed that the first hint of rivalry might be creeping into their interactions — even if ever so mildly at this point. These eventually lead to discord. Dad, of course, can sense these things in their subtlest form and way before I’m able to pick up on them. He will interfere to control it: Dad is the apha when it comes to his offspring. The video captures this.
I’ve incorporated some of this posting as captions into this video clip to explain what is going on.
Sibling takes Brother’s rough and overpowering behavior in stride — he nuzzles his Brother. All is well between them.
In the next scene, Brother has found a dead mole lying around and subtlelly provokes Sibling to react: “Haha, look what I have.” Sibling is not so sure he wants to enter into this rivalrous game. He hesitates and looks away at first, but then rises to the bait and some fun begins. They chase and then this turns into a tug-of-war.
Just then Dad rushes in — he knows his youngsters well and Brother has been more uppitty than usual lately. Dad needs to keep the nascent rivalry in check. He has to be firmly in control always, and use physical power when his youngsters don’t readily submit to him.
Brother immediately hits the ground submissively when he sees Dad, which causes him to let go of the mole. Sibling slithers away with the mole. Dad is surprised to see him slither away like that, as you can see in the video. He stands over Brother for a moment, but soon Brother also is able to escape his Dad’s grasp. As far as the youngsters are concerned, Dad’s behavior is standard and pro-forma — they don’t appear to be much concerned about it.
But Dad didn’t get the submission he wanted — especially from Brother. Dad immediately heads for Brother and puts him down and keeps him down this time. [If you are quick enough to notice, you’ll see that as Sibling runs away from Dad and Brother, he picks up the mole that had been taken back by Brother during the split second when the camera was not focused on him]. After what seems like an interminable time, Brother again slips away from Dad again, but within a minute, Dad is again standing over him.
Notice that Sibling uses the occasion of his brother’s being restrained to repeatedly flip his mole into the air tauntingly — he knows Brother can’t do anything to get the mole back because he’s under Dad’s thumb. This time, when Dad leaves, Brother remains lying down. This, apparently, satisfies Dad’s requirement. But that’s the end of the mole game.
Finally 10-month-old sister joins the group. Dad demands her submissiveness, but he treats her in a much milder way than her brothers. After she respectfully stoops to his bidding, the family runs off for their evening trekking.
My SF Coyote DNA Study Continues
28 Feb 2020 2 Comments
in DNA, Dr. Benjamin Sacks, Monica Serrano

Monica Serrano in Dr. Benjamin Sacks’ lab (MECU) at U.C. Davis has analyzed the scats that I’ve been collecting and here is her fabulous summary poster! The first samples which I started collecting in 2008 were analyzed and reported in a previous poster by Dr. Ben Sacks’ lab in 2018.
I have been collecting these samples mostly from individuals as I saw them defecate, so I knew which samples belonged to which coyote, and those I didn’t see I knew what family group they were from. And having observed these coyotes over many years — I recognize and can identify each by their face — I knew each individual’s relationships within their families, their birthdates, and their sex (I did not include any of the vast information I have on their individual personalities and interactions). I delivered these, along with my questions, to Dr. Ben Sacks whose lab then did all this work. My questions had been about the population’s genetic relationships beyond their nuclear families which might reveal the alphas’/parents’ original birth-territories (though I also wanted to see what the DNA would confirm about their relationships within their families — which is what I had found out by direct observation), and I wanted to establish what percentage of the population in San Francisco originated from the original Mendocino County coyotes that were found here in 2002, versus any that might have migrated in from the south of the city. It appears none have migrated into the city from the south.
This new DNA analysis is not only interesting for confirming the family units and inbreeding I’ve been seeing (the analyses indicate there were as few as four founding coyotes to the present coyote population of 60 to 100), but also for its potential in further research to determine coyote movements without radio collars, which are extremely invasive. It’s a win-win for our coyote population! [You might be interested in reading about Detrimental Effects of Radio Collars].
Coyote Partner, by Walkaboutlou
26 Feb 2020 Leave a comment
in coyote behavior, coyotes and dogs, territoriality

Hi Janet. Wanted to send you a pic of Hank. He’s a semi retired LGD who now spends time with dwarf goats and truck rides into town. He’s a PYR/Maremma cross of 9 years.
In his youth, he ranged huge distances with his 3 brothers, keeping coyote respectful. He fought cougar and bear in protecting the sheep herds.
As his brothers passed, and he no longer could keep up in the land, he was placed in a easier setting. And enjoys himself immensely.
Also, Hank is a partner to a territorial pair of coyote. They don’t bother his goats. And respect his area. He tolerates them as they pass and range around him.
The partnership has developed in that these coyote through the years, have had to contend and see off competing nomads. Territorial integrity is of huge importance to a pair of coyote. It literally can mean life and they take it seriously. So when a serious contender comes in, it can mean intense vicious battles, or weeks of cat and mouse tactics. Its exhausting and many coyote just can’t face the challenge of keeping territory.
This pair can. They have combined teamwork, the land, and utilized Hank, to do so.
When serious challengers arise, this pair of coyote drive the intruder into a draw/dip in the hills. There is a ledge above this, and they harass the intruder into hunkering down into the dip. Pinning down the trespasser they are extremely vocal.
This is when Hank joins in. He will lumber up the hills, then swiftly stalk in. Literally, the coyote hold their foe in place while allowing Hank to rush in unseen by the stranger. At last moment and in cue, the pair step aside and Hank completes his ambush.
I’ve watched the videos of this unravel, and 4 of the 5 intruders didn’t escape. It’s very fast. And the pair of territorial coyote watch the whole thing while marking and calling.
It’s clear there are worlds within worlds in the lives of animals. And the LGD/coyote interactions are not always the same. Dynamics and Knowledge and Familiarity can write whole new chapters.
It’s not common or easy to see coyote demise by LGD. But at the same time, it’s obvious some coyote thrive alongside them.
And some pairs, obviously can utilize the LGD.
Hank has become a partner, or tool, of this pair of coyote.
Some coyote are VERY serious about territory.
In all their shades, I watch.
Lou
PS: Hi Janet, I have found that most ranch dogs and coyotes develop at the very least, respectful relationships. Hunting dogs usually don’t abide by the same rules or instincts. And sometimes coyote become aggressive (usually after continued harassment) But most ranch dogs are very pragmatic and most coyote are survival minded.
LGD develop into impressive guards, patrollers and territory holders. But ironically, they can be laid back and rather slow. The bottom dollar is don’t harass my herd or violate my territory or space blatantly. Territorial coyote pairs or packs usually know local LGD very well and vice versa. Especially a pack of 3 or more LGD. They respect them and fear them. This pair which utilize Hanks territoriality seems unique, but nothing surprises me with coyote. Locally they adapt to conditions. And create solutions.
San Francisco’s Coyotes are Back, and They are Thriving, by Bianca Taylor [PODCAST]
20 Feb 2020 4 Comments
in coyotes in san francisco, Janet Kessler, newsprint, podcast
Page & Podcast: https://www.kqed.org/news/11799871/bay-curious-coyotes
[Clarification to the audio: Coyote numbers ‘on the family claimed territories I have been observing’ have remained stable over the past 13 years. This qualification was cut from the audio (at about 6:17), but it’s in the text version. Please know that since 2007, there indeed has been a gradual increase (an incremental increase, not a recent sudden explosion) in their numbers as they repopulated the area they had been purged from, beginning in 2002.]
Old “Peg Leg”, by Walkaboutlou
20 Feb 2020 7 Comments
in aging, territoriality

We don’t have a photo of Peg Leg, but I imagine he might look something like this. [ConradTan]
Hope you are well. I wanted to update you on “Peg Leg”[press to read the previous posting about him]. He was the old coyote who lost a territory some months ago with his mate. Last seen, he seemed nomadic but still thriving.
He’s been discovered with his mate, relocated about 16 miles from his old territory. He is on the furthest isolated area of the bison ranch. Ironically, his voice gave him away. Peg Leg’s voice is hoarse and odd sounding. A bit like a Pekingese Werewolf. His unmistakable vocalizations were part of some jokes and conversation and then we realized who it might be. Brief sightings confirmed.
It’s amazing he found and chose this area. But perhaps in his long life he knew it, and the last few years as it’s shifted to bison it’s really become a great area. It’s away from sheep and cattle and LGD patrols. No hunting is allowed. There are the bison, as well as elk, 3 species of deer, and all sorts of small game. Best of all, it abounds in gopher, voles, mice and Jackrabbits. The river that flows by has runs of salmon and trout and there are huge flocks of wild turkey. In summer wild plums and vast fields of grasshopper round off the menu. Peg Leg has made it here, and I’m glad for him. He got driven out by other coyote, only to find this place. I’m so glad he beat the odds. In every way.
Peg Leg is a survivor. Any coyote living in ranchlands is often a target 24 hours a day…for life. They are hunted with staghounds, decoy dogs, traps, snares, long distance rifles and any other means. Even if they come from a “safe” area, one foray outside of it can mean the end.
Most live very fast paced lives. To find a coyote, white faced and stiff with age, is very rare. The fact that he found sanctuary again at the end of his life among bison makes it more poignant.
Its likely his mate is pregnant. Perhaps he has one last season left in him to raise pups to independence.
Peg Leg has made himself a new home with his mate. Among the umbrella of bison, all the wildlife relaxes a bit.
🐾🐾
Lou
Hi Lou — This story made me beam from ear to ear, and I’m sure it will make others do the same. There is so much that’s familiar about Peg Leg from two situations I’ve been following, but in different coyotes: one of “my” alpha male coyotes is getting old — not white faced yet, but sometimes stiff in his gait, and I wonder how long he’ll be able to hold on to his territory. And another male is being displaced right now by other coyotes — not so old, but meeker of constitution — he, too, has a “werewolf” low, mournful howl, so I know he still sometimes passes through the area, but I fear it won’t be for long. So, in a certain way, I feel like I know Peg Leg. :)) Janet
- A stiff oldster still clings to his long-term territory, but I wonder for how long he’ll be able to do so.
- This one was just displaced from his territory. I heard his signature howl two days ago, so he’s still around.
Hi Janet, I thought you likely could relate to Peg Leg with other coyote. Their lives really are full of dynamics. I only saw him briefly, but he seemed very content. His body language wasn’t nomadic mode or unsure. Peg Leg is home. (again)
Happiness is Having Someone to Watch Out For
14 Feb 2020 8 Comments

Basking in the sun
This coyote seems to be extra happy these days as seen here on a very sunny morning! First she lay down and basked quietly in the sun for a while, and then as seen in the photos below, she ever so joyfully twisted and turned, contorted and wiggled, and rolled and slithered all over the place, giving herself a wonderful all-over body scratch and massage. She exuded joy. Maybe she was thinking about the new development in her life, which she would reveal to us a couple of days later!



Two days later I saw and heard a new behavior for her. She had been hunting but suddenly
stopped short and began howling in front of a man who abruptly appeared, as if he were the cause somehow. She had never howled at a human before. I wondered what kind of dog the man had, but as he walked on, I could see that he had none. She had only ever howled at sirens and dogs who have chased her; and when she had a companion long ago, she would howl to communicate, but she didn’t have a companion now. . . (or did she?)
(note that the high pitched vocalization is the coyote; the barks are a neighbor’s dog)
After a moment of howling which you can hear in the recording above, she trotted briskly and purposefully up the road and away. I could see that the man had nothing to do with her howling. Within five minutes she had returned over the crest of the hill, and there by her side was . . . . a companion coyote! It became obvious now that her howl had been a response to this other coyote whose vocalization we had not heard.
She appeared to be as smitten with him as she had been with a previous young fellow visitor (a 1½ year old) who had spent four months with her. This new fellow, again, is a younger guy, maybe even younger than the last fellow. Has she become a “yearling caregiver” for dispersing coyote youngsters? I had actually witnessed that previous youngster being forcefully kicked out of his home by his siblings in a fight — that’s how I knew he was dispersing — and then shortly thereafter appear in this loner’s territory, where he was wholeheartedly welcomed. Has this new fellow been welcomed as a kid or as a mate? Only time will tell. Whatever the case, the loner seems super-happy to have him there! A companion to care for!
I should mention that I have seen another male youngster in a similar situation with an older female — he eventually became the reigning male mate. We’ll have to see what happens here. Anyway: Happy Valentine’s Day!
“Him” in the upper left corner, and then the two of them, with her being as solicitous and affectionate towards him as possible.
Sibling Rivalry and Aggressiveness Are Calmed by Siblings in Dad’s Absence
10 Feb 2020 3 Comments
in coyote behavior, sibling rivalry
As coyote pups develop and grow, their personalities become more obvious and more firm. My first glimpses of distinct personalities appears during play — some personality traits may be innate inborn tendencies and some influenced by nurture/environment. Each is affected by the other distinct sibling personalities in the litter, by their parents, AND by the environment and the prevalence or shortage of resources.
Some youngsters never seem to want to grow up — they live an extended charmed and carefree puppyhood, playing and teasing boisterously and incessantly, and grooming each other repeatedly. The easier-going ones may form pairs and tight-bonded friendships with those of similar temperament and energy levels: they are friends, buddies, BFF, and comrades. The shyer ones might withdraw during rough play and become more watchful, while the extreme rough-housers may be avoided by the others. Playing and interacting for these youngsters may wane earlier than for the others, and rivalry, flared tempers and one-upmanship may come into play. . . and negative run-ins.
- Buddies and BFF
- Ships passing in the night
- Aggressive engagement
Coyote sibling rivalry I would imagine is not so different from human sibling rivalry. In humans, in some cases it can be deep-rooted and visceral, and at its core, it may never be outgrown. You can search the internet and find young humans who have, for instance, actually killed a brother over such things as a WiFi password, a cheeseburger, aspirin, or any other argument — it’s about much more than the surface argument and more related to a gut reflexive reaction having to do with competition, rivalry, top-dog, and survival.
Relationships with parents are, of course and of necessity, on a different plane — these are very respectful and submissive. At 7 months of age, youngsters were still learning a tremendous amount through parental example and discipline which in this photo to the left involves parental discipline: first a growl, then a show of teeth, and then maybe a snout-grab by the parent. Also note in the photo that the youngster is making himself small by crouching down and pulling himself in, letting Dad know that he’s still a baby at heart — willing to obey and not a threat!
I don’t know exactly when sibling rivalry started in this family, but from November 17th on, we were hearing more and more fighting and growling between them. This posting describes such a confrontation and how other siblings reacted.
It begins with a brother putting down and then attacking another brother. Another sibling with some help from yet another sibling calms the situation. Although hierarchies of course are constantly being established, intense aggressive bullying is not tolerated by parents, and apparently not even by siblings. I don’t know if the reaction of the peacekeeping siblings is due to their innate instincts to maintain order, of if they have just been quick to imitate how their parents maintain order. The attacker repeats his attacks several times, and the peacekeepers respond accordingly.
I began taking still photos of the altercation, but I soon turned to video which more clearly shows the intensity of the action. I’ve included some of the initial stills and then the video which follows in order to show that it went on and on. I’ve explained what’s happening on the video timeline (by minutes and seconds), below: I hope this is clear.
- Aggressor and victim
- Three siblings charge angrily towards the aggressor while the victim remains down
- They surround aggressor; Victim at left keeps low but shows his feelings in his face.
- The three have now headed off the aggressor (in middle on the right)
- Primary peacekeeper puts aggressor down
- . . . and then lies on the aggressor preventing further action, while the others watch
Note not just their actions, but also their body language and facial expressions: the individual who was initially attacked shows his dislike for the attacker in his facial expression in #3 of the series of six photos above. These six photos summarize what went on initially, before I began to video. After the last photo above, the aggressor slips away from the stronghold of his peacekeeper brother and goes after the “victim” again. In fact I don’t know what caused the attacker to attack. He may have had good reason, one of which, I’ve noted, might be that he was possessive of the one female sibling in the family and dominated play with her, basically excluding the attacker.
Here’s the video: One brother [the aggressor] angrily again attacks a brother [the victim]. At :09 two “peacekeeper brothers” approach the aggressor, and one, ever so calmly, systematically and in-control, pushes the aggressor down and sits on him to calm him down. But the aggressor is able to slip away. This entire sequence is repeated several times. At :35 the victim hurries away from the scene as the peacekeeper deals with the aggressor in the bushes. At :47 the peacekeeper and aggressor emerge from the bushes (peacekeeper on the left). At 1:11 the aggressor reacts antagonistically to the peacekeepers who then circle around him. Notice that the victim has been lying down close by (on the right) watching the goings-on. When the aggressor emerges, the victim runs off, but is again approached by the aggressor at 1:36 and is forced to the ground. Through 2:13 the peacekeeper puts down the aggressor or intimidates him through his upright proximity, but at 2:20 the aggressor again intimidates the victim, and then engages in a full blown attack at 2:32 into the bushes where we can’t see what is going on. The victim is able to slip away, so it’s the peacekeeper who is now engaging in the bushes with the aggressor. The second peacekeeper is watching at 2:42. The victim had extracted himself from the fray and now is sitting off to the side with a sibling who doesn’t want to get involved — they are waiting to see what happens and one gives a stressful yawn. At 3:42 we see the aggressor move out of the shrubbery and away from the peacekeeper. At 4:28 the aggressor moves towards the two lying down — one of those two [the victim] finds this intimidating and moves away. Peacekeeper approaches aggressor again and again makes him hit the ground. But then at 4:44 the victim lies belly up willingly and allows the aggressor to sniff him submissively. At that point, the altercation seems to be over. It’s because this video was taken at dusk that it blurs out at the end.
Disruptive behavior of this sort isn’t tolerated for long in coyote families, and if it continues, it leads to a forced dispersal.
I noticed that, for a time after this “fight”, the attacker and attacked avoided each other: when they saw each other, each went the other way without reacting at all: like ships passing in the night. I then noticed that they hung out at opposite ends of the family territory. This worked for the next little while. I now see neither of these two siblings — they’ve left the area: dispersed. And another male has dispersed to a nearby location about 1/2 mile away in a fragment of the family’s territory. This will serve as a stepping stone or halfway point before the youngster moves on. Meanwhile, he is safe from sibling rivalry . . . at least for a while.
These are the dramatic moments in an otherwise amazingly uneventful family life this year.



































