Category: Readers’ wildlife

Readers’ wildlife photos

September 11, 2026 • 8:15 am

Ephraim Heller sent us a passel of lovely brown bear photos (and, oddly, one of an elephant), all  save the pachyderm taken in Alaska. (They are of course also known as “grizzly bears”.)  Ephraim’s notes are indented, and you can enlarge the photos by clicking on them.

I traveled to Lake Clark National Park in Alaska to photograph its famous coastal brown bears (Ursus arctos horribilis) as they clammed and fished along the coast of Cook Inlet. I stayed at a remote lodge on the coast. It was a mixed experience. During the week I was there I saw only a few individual sows and cubs, far fewer than expected (the boars tend to stay inland at this time of year). However, the sows loitered in the area, so there was plenty of time with them. When it was just the bears, the guide, and a few other guests, the photography was spectacular. Unfortunately, that was seldom the case. The few bears were more often mobbed by folks on bear-watching tours arriving from other lodges, small planes, and boats. At times, I counted up to 35 people watching a single bear. In crowds that large, you put your camera down and just enjoy watching the animal.

Now that I’m done with the kvetching, let’s get to the photos. For those who care about such things, all the photos were taken with a Nikon Z8 or Z9 camera and either a Nikon Z 70-200 lens + 1.4X teleconverter or a Nikon Z 24-120 lens.

When there were no crowds and I saw a bear approaching from afar, I made my first attempts at using a remote trigger. This involved: putting my camera and wide-angle lens on a low tripod at a location where I thought the bear was likely to pass; stepping away to a distance of about 30 feet; and triggering the camera with a remote shutter release. Most of these attempts ended in failure, as the bruin chose a different path. But occasionally, it worked:

Brown Bear at Lake Clark:

At other times, I just lay down in the mud and hoped that an approaching bear would walk nearby. It was quite safe, as there are so many clams and salmon to eat that they aren’t interested in eating me. I would certainly not do so with bears from the interior, who are typically hungrier and more aggressive:

A sow out for a stroll on the beach:

Ninety percent of the shoreline is made up of salt marsh, sand, and mud. Multiple rivers flow into Cook Inlet, creating a habitat containing three distinct food sources: protein-rich salt-marsh sedges, intertidal clams, and late-summer salmon. Park biologists have counted as many as 219 brown bears in a 54-square-mile coastal block. Those densities are possible because the food is concentrated and the bears have learned to tolerate one another.

Here’s a sow patrolling along a salmon stream. These two shots were taken with a remote trigger:

Taking a load off her feet:

Coastal and inland bears in the park are the same subspecies, but they live different lives. Inland animals travel farther for scarcer resources and remain more solitary. Coastal bears grow larger because marine-derived protein is available for months.

Another shot taken with a remote trigger:

This bear is looking for salmon at a river mouth at low tide. The following photos were taken as I in the mud flats. My waders kept me mostly dry, albeit mud-covered:

After den emergence in April–May, lean bears head first to salt marshes. These wetlands occupy less than 1 percent of the park yet supply Ramensk’s sedge (Carex ramenskii), an early-season protein source. Bears graze for hours like cattle.

When the sow spots a fish at the river mouth, she rushes over to seize her prey:

A few yards seaward, the intertidal flats hold clams, particularly Pacific razor clams (Siliqua patula). These are a year-round protein source that bridges the gap between spring vegetation and summer salmon. The tides were over 20 feet when I visited, and at low tide the exposed mud flat stretched out for hundreds of yards:

Clamming is a learned skill. Cubs watch their mothers. Novices dig randomly, excavating large, unproductive craters and then crunching whole shells. Experienced bears read siphon holes and slight depressions, work specific slope and sand textures at the lowest tides, and extract dozens of clams in a single low-tide window. The most efficient animals pry shells open with claws rather than crushing them and slurp the meat. Different individuals invent slightly different techniques.

Here’s a sow digging for clams in the mud flats. I don’t include many photos of bears clamming because photos of bears with their noses stuck in the mud just aren’t that interesting or pretty:

The Jesus bear subspecies walks on water. Or, perhaps, the mud flats extend for hundreds of yards at low tide:

By July and August the rivers fill with sockeye and other salmon. Park-wide sockeye salmon (Oncorhynchus nerka) runs have ranged from 150,000 to more than 3 million fish. Bears shift from meadows and flats to stream mouths and shallow riffles. Techniques range from patient standing to explosive pounces. Experienced animals may catch dozens of fish a day and often eat only the most energy-dense parts (brain, roe, skin) before discarding the rest. This sow has caught silver or coho salmon (Oncorhynchus kisutch):

I’ve written Ephraim for a replacement photo, but in the meantime enjoy this elephant picture:

If you visit, remember to carry bear spray. Bears like the pepper flavor:

Note: That was not my bear spray!

Readers’ wildlife photos

September 4, 2026 • 8:30 am

Very few people are sending in wildlife photos, so if you have some good ones, shoot them my way, please.  Fortunately, ecologist Susan Harrison has come through with another batch from Oregon. Susan’s captions are indented, and you can enlarge her photos by clicking on them.

Mt. McLoughlin, Oregon  

In southern Oregon at the tail end of summer, climbing a volcano to look for Gray-crowned Rosy-finches (Leucosticte tephrocotis) seemed like a fun thing to do.

Gray-crowned Rosy-finch (photo from AllAboutBirds):

Per AllAboutBirds, “This delicate pink-and-brown songbird is among the hardiest of all birds. Gray-crowned Rosy-Finches nest in the highest parts of the highest mountains in North America… they forage, seemingly at complete ease, on snowfields, forbidding talus slopes, and in high winds or snowstorms… (It) probably holds the record for highest-altitude breeding bird in North America.”

Who could resist looking for such superlative birds??  It required only a day hike to a 9,500-foot peak not far from my home base in Ashland, Oregon. The peak, Mt. McLoughlin, is just north of Mt. Shasta in the Cascade volcanic chain. The trail goes up its east (= right, in the photo below) side.

Mt. McLoughlin from the south:

Hikers often get lost as they descend the peak.  Near the summit there is no clear trail in the loose ash and talus, and if you start a few degrees off-course you’ll end up far from your destination.  Accordingly, there are many warning signs and route markers.

Trail warning sign:

The last half-mile to the summit is steep and slow going.  This is the likeliest place to see Rosy-finches – which, alas, I did not see.

Approach to the summit, with trail on the left:

However, I did make it to the summit and back safely!

Summit:

The main birds I saw at the top were several Rock Wrens (Salpinctes obsoletus) and a pair of Sharp-shinned Hawks (Accipiter striatus) chasing around a Northern Harrier (Circus hudsonius).

Rock Wren:

Hawk chasing Harrier:

On the descent it became easier to pay attention to other small wildlife.

Scruffy juvenile Canada Jay (Perisoreus canadensis);  or is it an “American Jay” now??:

Townsend’s Solitaire (Myadestes townsendi):

Yellow-pine Chipmunk (Neotamias amoenus):

Rounding out this photo set, a few other recent scenes from the southern Oregon Cascades…

Upper Rogue River just below Crater Lake, where it flows through the collapsed lava tubes of ancient Mount Mazama:

Lower Rogue River at Blossom Bar rapid, where it flows through a scary and occasionally lethal (to rafters and kayakers) feature called the Picket Fence:

Readers’ wildlife photos

September 3, 2026 • 8:30 am

Today’s arthropod photos come from a visit to Poland from reader Jan Malik.  Jan’s captions and IDs are indented, and you can enlarge the photos by clicking on them (once or twice):

During my visit to Poland in June this year, I spent a few hours with a macro lens, looking for arthropods in three different habitats: a xerothermic dry meadow, a subalpine bog, and an alpine zone in the Tatra Mountains. I did my best to identify the species, but I can offer no guarantees as they were new to me.

First, the dipterans from the hoverfly family, all Batesian mimics of the more ferocious Hymenoptera. The Common Drone Fly (Eristalis tenax) resembles a honeybee or a small bumblebee quite convincingly; it even buzzes like a bee. I believe this is a female, judging by the widely spaced eyes:

Another hoverfly, this time a wasp mimic, is possibly a Sphecomyia vespiformis. Like all Diptera, its antennae are short, but here, to increase similarity to a wasp with long antennae, they grow from an elongated column on the insect’s face:

Rounding up the order Diptera is a possible Marmalade Hoverfly (Episyrphus balteatus). This female is a peaceful pollinator as an adult, but its larva is a predator of aphids:

Moving over to the order Lepidoptera, the first is a moth (genus Gillmeria); at first sight, I thought it was a crane fly, but long antennae place it firmly as a plume moth, even though I’m not sure which species it is. When at rest, these insects are masters of camouflage, resembling dried-out twigs:

Possibly a Ringlet (Aphantopus hyperantus), which is common in this part of Europe:

A final lepidopteran is a skipper (family Hesperiidae), but it is difficult to pin it down to a species. Possibly a Small Skipper (Thymelicus sylvestris), going by the orange tip of its antenna?:

Now for Coleoptera (beetles): a Black longicorn beetle (Spondylis buprestoides). Both adults and larvae have powerful jaws which they use to chew through the wood of dead trees, accelerating the carbon cycle:

The next insect, from the same longhorn beetle family as the previous one, is a Black-striped Longhorn Beetle (Stenurella melanura), probably a female. The larvae feed on rotting wood, but adults prefer pollen:

Another coleopteran is a Common Red Soldier Beetle (Rhagonycha fulva). Its red color is an honest warning—when disturbed, they exude a fluid containing defensive acids that can cause chemical irritation. Here it feeds on pollen, but like other soldier beetles, if an aphid or a caterpillar is found, it is also eaten.

The last coleopteran, hiding in a flower during the rain, is a leaf beetle from the genus Cryptocephalus (I will go out on a limb and say the Dead-nettle Leaf Beetle, Cryptocephalus aureolus). The genus name originates from its head, which is tucked below the protective chitin armor:

Now for the arachnophiles amongst the readers, an orb-weaver spider (family Araneidae) having a meal out of a fly. Orb-weavers are highly variable in color, changing them to match their surroundings. They recycle their webs often by eating them and spinning new ones:

Another araneae, possibly a Wasp Spider (Argiope bruennichi), is a close European cousin of the common American yellow garden spider. Like its New World relative, it spins a ladder-like structure called a stabilimentum. The discussion is ongoing as to what the adaptive purpose of this structure is: possibly a UV reflector to lure bees or flies, or a warning for birds not to fly into it and destroy it, much like our window decals to prevent bird strikes:

The spider waiting inside the flower is a flower crab spider, likely a pale variant of the common Goldenrod Crab Spider (Misumena vatia); I believe the same spiders are also abundant in North America. The flower could be a bellflower (genus Campanula). These spiders also change color, from greenish to yellow to off-white, matching the flowers where they sit in ambush:

Now for a few Hymenoptera—possibly a Black Garden Ant (Lasius niger) tending to a dense colony of Black Bean Aphids (Aphis fabae). Like many other ant species, they tap aphids with their antennae, and if the sucking hemipteran is ready, it releases a drop of sugary honeydew. In return, ants act as bodyguards, protecting the aphids from predatory hoverflies and ladybugs:

A parasitoid ichneumon wasp, possibly a Hoverfly larva parasitoid wasp (Diplazon laetatorius). It lays eggs in hoverfly larvae or eggs, and the wasp larva waits until its host grows big enough to become a substantial meal, then devours it from the inside. This species is said to be mostly parthenogenetic, with males being a rarity:

Another hymenopteran, a sawfly, is probably the Common Green Sawfly (Tenthredo mesomela). These sawflies are active predators of other small insects:

Lastly, I didn’t expect a Red-banded Froghopper (Cercopis vulnerata). Its two chief weapons are a nice red and black aposematic coloration, a habit of making itself scarce via powerful jumps, and joints in its legs that ooze a foul-tasting hemolymph if a predator decides to bite. Did a scientist actually taste that fluid to report on its bitter taste, or are we still waiting for a volunteer?:

Readers’ wildlife photos below

September 2, 2026 • 8:21 am

I stupidly set the wildlife post to appear at 6:15 a.m. instead of the usual 8:15, and so you may have received an email that goes nowhere, as I reset the posting for the usual time.

At any rate, you’ll want to see Bruce Lyon’s photos and four videos of Arctic foxes that he took in Alaska, and that post is right below this one—at this link.  Have a look.

Readers’ wildlife photos

September 2, 2026 • 8:15 am

Bruce Lyon has returned with Part 2 of his adventures with Arctic foxes, including photos and several videos.  Bruce’s captions and narrative are indented, and you can enlarge his photos by clicking on them.

Here is a second batch of photos and videos of arctic foxes (Vulpes lagopus) on St Paul island. First batch here.

A parent resting by its den:

Below, a video from a couple of years ago of a very tame fox at the dump. Every time I went to the dump to check on some rosy-finch nests, this individual would run up very close to me and run circles around me, whining and barking and jumping up at me. I was amused and thought the fox was being friendly and curious but another biologist told me that this could be aggressive behavior—perhaps the fox was defending its den a bit too aggressively. That biologist had been bitten by foxes before:

This year we had a similar close encounter of the fox kind but this fox was at the harbor for the food and did not seem to have a den nearby. It seemed genuinely playful and curious and was particularly keen on nibbling my assistant’s rubber boots. Who doesn’t enjoy a chaw of boot rubber once in awhile?:

Earlier the fox in the above video had been munching on a clam that it probably got from the nearby pile of dredge material being scraped up from the floor of the harbor in a harbor improvement project. The dredge sediment seemed to be chock full of inverts like clams and seemed popular with at least a few foxes.

Back to the foxes with dens close to our lodging—one of these adults takes a large salmon tail to its pups:

If the pups are hidden in the den when a parent arrives with food the parent will sometimes just dump the food on the nearby beach for the pups to find later. The thick-billed murre carcass in the photo below was lying on the beach for some time before a pup finally discovered it:

Food fight or play? A couple of pups squabbled over a dead crab. I didn’t see much in the way of them eating the crab—either the crab was too far gone to be worth eating or the shell was a barrier:

A few photos of pups playing around the two dens near my lodging:

The pups do a lot of pouncing—here a pup pounces on a piece of cardboard:

Below, but it’s much more fun to pounce on a sibling:

Sometimes the squabbles among the pups seem like real fights. Below is a video of a family that had a den under a large metal CONEX container in town. Two of the pups seem to be having a serious fight, evidenced by the screaming. Normal play is not accompanies with this screaming. Perhaps these squabbles are used to establish dominance. Some studies have observed dominance hierarchies among the pups—the dominant individuals defend prey items and also take it from subordinates:

Here’s a video of the same family with a more playful scene:

Adult foxes that I at first thought were playing were more likely having a serious fight. This was near the harbor on a day when there were a lot of foxes hanging around, most of them peaceably. I saw these two foxes in the middle of the road, seemingly frolicking. One of the foxes was on its back in the typical dog submissive posture while the other was standing over it. All of a sudden the  one standing went at the submissive one, which ran like hell, right towards me. Look at the glorious fluffy tail on the fleeing animal!  My colleague Paula White, who has studied this population of foxes, tells me that fleeing subordinates often wave their tails in the face of the pursuers. Perhaps it is better to get bit on the tail than the butt? Waving a fluffy tail might also distract and confuse the chaser:

I will end with a family portrait:

PCC(E)’s wildlife photos and videos: Duck update

August 28, 2026 • 8:30 am

The “ducklings”—if you can call them that now that they’re fully feathered and miniature adults—are almost six weeks old: they hatched on July 25 and came to the pond the next day. All is well with them: they all seem healthy and lively, and they eat heartily, though Miss Duck allows the babies to eat before she does. It’s hard to get food to her as her brood tends to scarf it up.

The babies are already starting to flap their wings vigorously, as you can see in the videos below, and I expect that in about 2-3 weeks they’ll be trying to fly, and levitating a bit. I suspect that the “zooming” behavior you see below is both fun but also practice for taking off.

But first some photos. First, Miss Duck, the ever-attentive mom who is still monitoring the babies closely. She’a also starting to molt, and during this period she will be able to flap and levitate a bit, but when she molts her flight feathers she’ll be pretty much grounded for a couple of weeks.

First, Miss Duck on the water. I love this photo, what with the reflection and all. (I posted it the other day.)

On the edge of the pond, watching her brood. Notice that her foot is on the side and not underneath her:

And a glamour head shot. If she returns next year I’ll be able to recognize her by this distinctive beak pattern.

Here’s the brood crossing the sidewalk in the morning so I can feed them in the channel. As soon as they plop in the water (I won’t feed them on land), they immediately turn and face me, waiting for their duck pellets. They know the drill!

Make way for ducklings!  You can see that Mom is still larger:

Sleeping on the water six days ago (iPhone photo). Mom is floating:

Often Miss Duck and the brood will get the “zoomies” after a meal. Usually initiated by Miss Duck taking off and flying a short distance in the pond, the ducklings go wild, zooming across the pond at high speed chasing Mom, as well as dunking themselves and swimming underwater. I’m convinced that, with Mom’s prompting, this behavior prepares them for flight. Notice how they often flap their wings during the exercise.

I’ll show two bouts. This first one took place after third breakfast a week ago (they get fed three times a day):

And here’s a vigorous case of the soomies yesterday:

The babies also “dabble” after meals. In the wild, they get most of their food by going butt-side up and thrusting their beak into the pond bottom, taking in some mud and then squeezing out the dirt but keeping the edible stuff (worms, other inverts, etc.). As I’ve shown before, ducks have “teeth”: serrations on their bill that allow them to get rid of the inedible stuff and keeping the food. In this way they’re like baleen whales.

Since the pond bottom is gravel and not dirt (a huge mistake in the pond design), the dabbling takes place in the dirt in the few pots of plants that they’ve put in the pond, which have dirt in them. Unfortunately, the plants cannot spread because the pond bed is gravel. It’s beyond my ken why they designed the pond this way, for it will prevent the luxurious growth of aquatic grasses and water lilies we were promised when the pond was reopened.

Here’s one duckling dabbling in an empty plant pot in mid-August.  At this time they still had their duckling fuzz, but you can see the feathers coming in. Now they are fully feathered and fuzzless, but their flight feathers have a way to go.

And here’s a napping duckling with almost all the feathers grown in.  There’s still a patch of fuzz on the butt and neck.

Ducklings napping on the edge of the pond. They always do this in the full group of four, and Miss Duck is among them, usually at one end of the line so she can watch them all. The “white” covering in the eye is their nictitating membrane.

The babies are starting to develop the speculum: the patch of blue  secondary wing feathers that you can see on Miss Duck’s wing above. It is one of the landmarks of attaining adulthood.  I’ve circled the nascent speculum in the first photo. Curiously, we’re not sure what this speculum is for. It’s present in both sexes, but could be the result of mutual sexual selection or selection for species recognition.

The nascent speculum is clear here:

The brood heading to one of the three Sacred Rocks to rest after a meal. There’s lot of dunking and preening before they settle down. Notice that Miss Duck gets up on the rock to let the babies know where to go.

DANGER!  There is a nest of Cooper’s Hawks (Astur cooperii) in the quad, and the young hawks often inspect the pond. Miss Duck sees them before we do, and she warns the babies with a specific quack. They immediately become motionless. While I’ve seen the hawks fly low over the pond, they’ve never tried to take a duckling, thank Ceiling Cat.

These photos were taken three days ago by my friend Peggy Mason, a neurobiologist on Team Duck. The tree is adjacent to the Pond, but I let Peggy take a few pictures before I chased the hawk away.

The definitive ID comes from Bruce Lyon, who looked at the photos and said, “Yes I think it’s a Cooper’s. I had to double check that it was not a broad-winged hawk. Looks like it is molting its tail so it is shorter than typical and a long tail would indicate Coopers’.”

And we musn’t forget the turtles. We now have six of them. We originally had five but one died (I was told, without proof , that its shell was cracked when students were playing Frisbee with it). But then a student found a large red-eared slider on the Midway, far from the pond, and carried it over and let it jump in. That made five again. Then a smaller red-eared slider appeared, probably another willful introduction.

They are all well and many people come to watch them. A group of women who work in the Regenstein Library regularly visit, and they’ve named all the turtles after hamburger-ish sliders, like “Buffalo Chicken Wing” and “Beef”. Unlike me, they can recognize every turtle.

A few photos of our terrapins. Here are four sunning on the rocks and doing Turtle Yoga, stretching their limbs to catch the sun:

You can see why they call them red-eared sliders (Trachemys scripta elegans):

Finally, two videos showing the turtles. This first one also shows some of the seven species of fish we have in the pond. All are naturally-occurring (as are sliders and ducks), but there are four pesky goldfish that someone is going to remove and put in an aquarium.

This turtle is going after some leftover duck food, but they do get fed a healthy diet of turtle food (not by me):

This video shows how they swim around. They’re quite fast in the water when they’re in a hurry, in contrast to their slow ambling on land:

Readers’ wildlife photos

August 27, 2026 • 8:15 am

Susan Harrison of UC Davis is back with some nice photographs of birds, including Barred Owls. Nearly half a million of these owls are scheduled to be shot in what I see as a misguided attempt to save the Northern Spotted Owl. I think Susan agrees with me here, but I won’t speak for her. At any rate, her IDs and captions are included and you can enlarge her photos by clicking on them.

Large birds of the Oregon Coast, August 2026

One fog-bound morning on the central Oregon coast, a fellow camper hailed me with “There’s an owl by the outhouses!”  This wasn’t a total surprise since, in the middle of the previous night, the distinctive “who-cooks-for-you, who-cooks-for-you” call of a Barred Owl (Strix varia) could be heard.  We watched as the large grey specter glided along the edge of a meadow, perching here and there in classic hunched-owl position to look and listen for camper-attracted rodents.

Barred Owl:

Sadly to me, the US Forest Service has announced plans to kill large numbers of Barred Owls in a desperate measure to save endangered Northern Spotted Owls (Strix occidentalis caurina).   It’s a complicated issue upon which reasonable people (i.e., owl lovers) disagree, and you can read and decide for yourself here and elsewhere. But I will not reveal the location of any Barred Owl!

JAC: Let me add that the Northern Spotted Owl is a subspecies of the Spotted Owl (Strix occidentalis) and is not itself a distinct species. There are in fact several subspecies of Spotted Owls.

A nearly full-grown Osprey (Pandion haliaetus) begged incessantly to be fed by one of its parents; the other sat silently in a neighboring tree.  The juvenile finally flew off to preen, but was quickly displaced from its perch by a Red-Shouldered Hawk (Buteo lineatus) that repeatedly chased the young Osprey around the meadow.

Red-Shouldered Hawk:

At the nearby coast, Elegant Terns (Thalasseus elegans) and Brown Pelicans (Pelecanus occidentalis) held a bathing party, and the preening pelicans stretched their unearthly pouches:

Elegant Terns:

Brown Pelicans: