Category Archives: Ecology

Seabirds as Sentinels (FSB Book Review)

All posts on FatherSonBirding are written and photographed by REAL PEOPLE.

I love living in Montana, but it has one huge drawback: no ocean. This has a particular impact on me and Braden because while we do get a fair number of shorebirds breeding in and passing through the Treasure State, we almost never have the opportunity to observe, study, and enjoy seabirds. You can therefore understand my particular interest in reading Eric Wagner’s new book, Seabirds As Sentinels: Auklets, Puffins, Shearwaters, and the View from Destruction Island (University of Washington Press, 2026).

Seabirds as Sentinels by Eric Wagner, University of Washington Press. Click on image or here to order.

For me and many other birders, seabirds—also referred to as pelagic birds—are almost magical. Not only do they have incredible adaptations to live in what is arguably the world’s harshest environment, they are difficult, if not impossible, for most of us to watch. Loyal FSB readers will recall Braden’s and my account of our pelagic bird cruise during the San Diego Birding Festival (see post San Diego Seabirds). These and a precious few other puke-filled outings gave us rare opportunities to view shearwaters, murres, guillemots, and even albatrosses. Unfortunately, our time with these birds has been altogether too brief—a situation not likely to change anytime soon.

Part of a group of approximately 8,000 Black-vented Shearwaters off the coast of San Diego in 2019.

One of the real delights of Eric Wagner’s book is that he gives readers the chance to hang out with nesting Pacific Northwest seabirds, especially the Rhinoceros Auklet. Before reading Seabirds As Sentinels, I had seen Rhinoceros Auklets a couple of times, but had no idea where they bred. One answer, it turns out, is on certain islands off the coast of Washington and British Columbia. Wagner devotes a good portion of the book documenting scientists’ efforts to tag and learn about these birds as they nest on Destruction Island, only about three miles off the coast of the Olympic Peninsula.

Photos from Seabirds as Sentinels including a Rhinoceros Auklet, bill filled with fish, in the upper right.

His accounts of the birds range from their comical “crash landings” as they return to the island each night to feed their chicks to the birds’ remarkable ability to locate shoals of fish and dive deep underwater to catch them. Similar discussions revolve around Sooty Shearwaters and Tufted Puffins. What makes these accounts so captivating is seeing the birds’ activities “in person” through the author’s eyes, an experience most of us will never have.

A Tufted Puffin from Braden’s and my first pelagic birding cruise off Monterey, California.

Wagner, though, also wants to educate us, and provides discussions of how the world’s primary ocean currents are generated and how these currents impact marine life. He traces the human history of the region from around the time of first European contact to modern day, including recent tribal efforts to protect an environment increasingly at risk from climate change’s many ramifications.

Black-footed Albatrosses are one of the birds most impacted by human activities. According to Wagner, tens of thousands have died in Hawai’i’s longline tuna fishery alone. (Photo taken off the coast of Monterey, California in 2016.)

Unfortunately, it’s impossible to talk about seabirds without pointing out the cataclysmic declines in many species, and the author doesn’t shy away from the topic. As the title suggests, the decline of seabirds mirrors the dramatic impacts human activities are having on our planet. Perhaps most alarming has been the appearance of “blobs,” persistent and unprecedented areas of warm water that either kill or drive away the prey seabirds and a host of other species depend on. Estimates of how many seabirds have died during recent blobs are mind-boggling. As many as four million Common Murres alone may have starved to death as a result of the blob of 2015 and 2016—about half of Alaska’s Common Murre population.

Common Murres have already been severely impacted by warmer ocean temperatures (Monterey, California, 2016).

The author doesn’t provide us with any false solutions about this and other environmental problems. After all, we all know what we have to do. We have to stop burning fossil fuels. We have to stop using our ocean as a dumping ground for plastics and other waste. We have to quit overfishing the prey species thousands of other species also depend on. What the book does do, though, is raise our awareness of why these things matter—and perhaps provide each of us with the resolve to keep working toward a solution in whatever ways we can.

If you enjoyed this post, check out our other bird-related book reviews such as The Great Auk and The Shorebirds of North America.

Review copy provided by the publisher.

Bluebird Day at Browns Lake!

With all of our recent posts about Costa Rica, you’re probably wondering if we ever bird in Montana anymore! Never fear, we do—a lot! Today we report on an adventure that delivered some remarkable early migration surprises. If you’d like to support our work at FSB, please consider purchasing some of Sneed’s books shown to the right—and support a group such as Birdlife International or Audubon that is working hard to protect birds against climate change and many other perils. Remember: all of our posts are written and photographed by REAL PEOPLE!

I don’t know if it’s because of our recent trip to Costa Rica, my subsequent trip to California, or just the usual spring excitement, but I’ve felt especially eager to get out birding in Montana this spring. At least part of it has to with wanting to learn more about the timing of migration, especially in a year in which Montana hardly experienced winter. How would this impact the birds? I wondered. Would we see things showing up especially early? Fortunately, our friend Susan Snetsinger has felt just as eager to explore, so the past couple of weeks Susan and I have taken all-day adventures to some of our favorite western Montana birding locations. Two weeks ago, we visited Warm Springs and the impressively “remodeled” Lexington Street Pond and wetlands in downtown Butte. We were rewarded with a great variety of waterfowl, including Snow Geese at both locations. The highlight of the day was undoubtedly a great look at a Golden Eagle on the dirt road between Racetrack Pond and Warm Springs.

Snow Geese are always something to celebrate in Montana—including this group at Butte’s fabulously restored Lexington Street wetlands area.

A few days ago, though, Susan and I had a different ambition: to post the season’s first eBird checklist for Browns Lake. This is one of Braden’s and my favorite birding locations, and I don’t think it has ever failed to disappoint. Not only is it a go-to place for breeding Red-necked Grebes and Black Terns, we have found a lot of uncommon species there including Long-tailed Ducks, Pacific Loons, and Ross’s Geese. Notably, this is where Braden made the astounding discovery of a Bay-breasted Warbler two years ago—one of just a handful of sightings ever recorded from western Montana.

Although Browns (sic) Lake is frozen for a good part of the year, it has never disappointed us as a birding destination and we were eager to see what it held so early in the spring.

One challenge with Browns Lake is that it stays frozen until relatively late in the season and I noticed on eBird that no one had yet birded it this year. I wasn’t sure if it had begun to thaw, but I asked Susan if she was game to check it out. She was—and even brought along yummy fried egg and cheese bagels to fuel our adventures.

On the drive up Highway 200, we were rewarded by two pairs of Sandhill Cranes and a glimpse of a Mountain Bluebird—perhaps a preview of things to come? We hoped so, and upon arriving at Browns Lake, were not disappointed. Right near where Braden had discovered the Bay-breasted Warbler, we got out of the car to find a delightful “finchy” mixed flock containing Red Crossbills, Pine Siskins, Evening Grosbeaks, and Cassin’s Finches.

We’re not sure why (though fish and/or animal carcasses probably have something to do with it), but Browns Lake often boasts vigorous Bald Eagle activity—and our early spring visit was no exception. Here, two youngsters contemplate the meaning of ice on this brisk sunny day.

As the lake came into view, we were relieved to see at least a third of it offered open water—and that the waterfowl were not shy about taking advantage! Within twenty minutes, we recorded fifteen species of ducks and geese, including the year’s first Montana Northern Pintails and a lone FOY Cinnamon Teal. A flock of 18-20 Snow Geese erupted out of the fields on the far side of the lake and settled in beneath a huge irrigation line. Even though a brisk wind dropped the wind chill into the teens, we looked hard through our scope for any Ross’s Geese, but came up empty.

Elk anyone? Even though they are mere mammals, this herd against the dramatic background induced us to pull over for an admiring look.

As has become my new routine, I directed Susan out the far side of the lake toward the Ovando-Helmville dirt road, and we were rewarded by two Northern Shrikes (Susan is certain they were separate birds), and a couple more Mountain Bluebirds. After turning left toward Helmville, we hadn’t gone a mile when we saw a sizeable flock of birds badly backlit by the sun.

“Are they some kind of blackbirds?” Susan wondered, and they did look black because of the sun, but I didn’t know. Then, she said, “There are more bluebirds over here.” “There’s a couple over here, too,” I added, still thinking they had nothing to do with the flock we’d just seen.

The bottom line? The flock we had just observed consisted entirely of Mountain Bluebirds!

At first, we weren’t sure what these flocking birds might be, backlit against the sun, but this photo reveals the truth.

This blew both Susan and I away. Neither of us had ever seen more than three or four Mountain Bluebirds at a time, and had no inkling that they ever formed large flocks. Yet here was the evidence in front of us, and we spent a good fifteen minutes watching them forage and swirl around us. Once, a group of at least sixty took to the sky together, only to settle back into the grass a few moments later. Meanwhile, others kept crossing the road in front and back of us, occasionally landing on the fence next to our car.

The Mountain Bluebirds were so active around us that I dared not hope to get a photo of one—until this guy perched 15 feet away from the car window!

We finally pulled ourselves away, wondering if local ranchers observed this kind of grouping every year. I later read up on MOBLs and found one or two mentions of them forming flocks in winter, but it didn’t seem like a well-known phenomenon. Susan and I both agreed that these cavity-nesting birds must be migrating. From here would they spread out into the surrounding mountains? Or did they still have a long way to go before trying to find their own breeding territories? As biologist Dick Hutto had taught me, Mountain Bluebirds especially love recent burn areas where woodpeckers carve out plenty of “condos” in the dead trees (see my book Fire Birds: Valuing Natural Wildfires and Burned Forests). I wondered if, as a flock, they might be better at finding recent burn areas—or did flocking impart other benefits such as greater predator or food detection?

After the Browns Lake area, we headed toward Helena, hoping to find a recently reported Lesser Black-backed Gull. Though I’d seen this species in Israel and again in Oregon, this would be a Montana lifer for me and an outright lifer for Susan.

It was not to be.

At the Helena Regulating Reservoir, we saw plenty of gulls, but many were too far away for our scope, and the ones we did see did not have the dark wings we were looking for. The trip wasn’t a waste, however, as we observed more than sixty Common Mergansers and at least ten Red-breasted Mergansers, also clearly in migration. In fact, the window to see RBMEs is quite tight in Montana, so it was nice to pick them up for 2026.

Though we missed the Lesser Black-backed Gull, the Helena Regulating Reservoir was hosting a “regulating” merganser-pa-looza!

Speaking of 2026, both Braden and I have excellent chances to accidentally break our world Big Year records. My record, set last year, is 552, and only a quarter of the way into this year, I’m at 422. This is not as much of a gimme as it sounds since many of the birds I’ve seen in Costa Rica and California are birds I would normally check off in Montana, but with a little luck and persistence, I feel I will get there. Braden’s record, meanwhile, is 867 and he is already at 546, with hopes to bird abroad at least one more time this year. We no longer put a lot of stock into numbers like these, but they’re a fun thing to keep an eye on.

After saying goodbye to the Helena Regulating Reservoir, Susan and I did a little more birding and then got lunch in downtown Helena. I only mention it because we ate at an excellent little crepe place called—what else?—The Creperie. It featured outstanding food and reasonable prices. It’s open until 3 p.m. most days and is located right next to the lower entrance of the walking part of Last Chance Gulch. If you’ve got the post-birding munchies, check it out!

Our first-of-the-year Browns Lake checklist: https://ebird.org/checklist/S313329879

Arenal for Antbirds: Birding Costa Rica, Part 2

Like all FSB posts, this one is written by REAL PEOPLE. Feel free to share it and support real writers and artists everywhere by shunning artificial intelligence. Despite the hype, AI is not “just a tool.” Its primary utility these days is to increase profits by putting people out of work. Don’t make it easy for the giant corporations that control it and are participating in the greatest theft of intellectual and artistic property the world has ever known.

After our surprising morning birding near San Jose’s Juan Santamaría International Airport (see our previous post), Braden and I wasted no time heading into the heart of the region where we would spend the next nine days—the northern Caribbean slope of Costa Rica. Our first destination? The flanks of Arenal Volcano.

Despite having spent more than two months in Costa Rica back in 1994 (when I was writing my books The Forest in the Clouds and Monteverde: Science and Scientists in a Costa Rican Cloud Forest), I had never before explored this region. During his semester abroad here, however, Braden had thoroughly scoured the country for birds and had put together an itinerary that would give us the most bang for our birding buck. The Arenal area—near the bustling tourist town of La Fortuna—held many avian riches, but Braden and I had one group of birds we especially wanted to see: antbirds.

The area around Arenal Volcano was the first major destination of our nine-day itinerary. Unfortunately, heavy rains greeted us during this supposed dry season!

If you’re unfamiliar with them, antbirds are a group of birds that shadow army ant swarms—not to eat them, but to snag the many other invertebrates that the swarms dislodge during their ravenous raiding parties. I had seen many ant swarms during my time in Costa Rica, but again (and tragically), that was before I became a birder and if any antbirds were around, I had cluelessly overlooked them. Braden had, of course, been more alert and seen several kinds of antbirds—but never in the classic “insect-palooza” situation one reads about in scientific narratives.

Braden and I looked forward to finding an antbird flock as much as any other birds on our trip. Note the army ants below the leaf upon which this Bicolored Antbird stands.

We got our first shot at antbirds on our second morning in the country when we birded the internationally famous Arenal Observatory Lodge & Trails, a rather pricey destination with a fabulous sweep of nature to offer visitors. Fortunately, you don’t have to book a room to bird the place, but can simply pay a fee to spend the day. Unfortunately, waves of heavy rain greeted Braden and me when we arrived. Don’t get me wrong. We still had an incredible day here, including bird lists totaling more than 100 species and a fantastic sighting of a northern tamandua, a small, incredibly shy species of anteater—a first for both of us. Alas, we got only a brief glimpse of a single antbird—a Spotted Antbird—and encountered no army ant swarms where more antbirds might be plying their trade.

On our first day of antbird searching, we saw only a single Spotted Antbird that didn’t happen to be following any army ants. Still, a gorgeous creature, verdad? (Note: the featured image at the beginning of this post shows a female Spotted Antbird!)

Still hopeful, the next morning we headed to another nearby spot, a combo nature area and zip-lining destination called Sky Adventures. And guess what? It was again pouring down rain! After spending the previous day pretty much soaked, neither of us looked forward to another day of damp garments and soggy boots. A ray of hope was that one of the Sky Adventures guides told us that he had seen antbirds only the day before and even told us where to look.

Braden wondered if he would see any life birds on this Costa Rican adventures, but quickly spotted this Black-headed Tody-flycatcher, the first of FOUR lifers he would collect this day!

In this kind of weather, we had the trails pretty much to ourselves, and we realized that there was no shortage of birds around us. I should backtrack a bit and explain that while more than a third of the Costa Rican birds I was seeing were lifers, Braden had already seen so many birds in the country that he wondered if he’d get any lifers on our entire trip. That question got answered pretty quickly as we began crossing a spectacular hanging bridge over a lush ravine. Almost immediately, Braden said, “Black-headed Tody-Flycatcher!” Sure enough, on a branch hanging over the bridge, we spotted one of the cutest birds in the tropics—and a lifer for both of us! In fact, a huge variety of amazing birds seemed to be hanging out around the bridge, and before long a yellow and black bird landed just below us. Braden got even more excited by this one. “Black-thighed Grosbeak!” he exclaimed. Ka-ching! His second lifer in ten minutes!

Braden’s second life bird of the day, a Black-thighed Grosbeak, put in a leisurely appearance just below the hanging bridge. Look closely and you can even see the black thighs—though this is still one of the worst bird names ever!

Still, we hadn’t forgotten the antbirds and pressed across the bridge and up a winding trail. And at a sharp left, suddenly, there they were. Antbirds!

I confess that it took both of us a few minutes to embrace exactly what we were looking at. Columns of army ants marched along both sides of the trail, and the antbirds skittered and skaddled all about us.

Braden, looking happily in shock at finding his best antbird mixed-flock ever!

According to Vallely’s and Dyer’s Birds of Central America, Costa Rica hosts nine species of antbirds and we recognized four working the ant columns around us. These included Bicolored, Spotted, and Zelodon’s. It also included the one we both most wanted to see. “I’ve got an Ocellated!” Braden shouted with glee—his third lifer of the day.

One of our top targets of our entire trip, Ocellated Antbirds gave us extensive, if very quick, looks for our full ant swarm visit.

Why were we so excited about this bird? All antbirds are subtly beautiful, but Ocellated has the most distinct patterns of any Costa Rican species. It sports gorgeous blue, black, and rufous colors around the face and eye, and a remarkable scalloped pattern of feathers down its back and chest. As thrilled as we were to find it, we were even more thrilled to watch what the antbirds were doing.

Only a single female Zeladon’s Antbird joined the ant swarm, and apparently these do not usually follow mixed flocks, and are not obligate ant swarm feeders. Males are black instead of brown.

Back and forth they darted snagging insects, spiders, and other arthropods that were startled by or fleeing from the army ants. Braden and I paced back and forth, mesmerized by this performance. At least fifteen or twenty antbirds surrounded us, the most abundant being the Bicolored, who were also the least shy. WATCH THE VIDEO BELOW!

Antbirds, though, aren’t the only birds that join in on following army ant columns. As we watched, we also saw Wedge-billed Woodcreepers, Northern Barred-Woodcreepers, and Fawn-throated Foliage Gleaners. As a bonus, the rain had let up by now, letting us fully enjoy what might be for me a once-in-a-lifetime spectacle. In fact, we spent at least half an hour with these remarkable birds, trying to grasp exactly what they were doing and just appreciating that things like this could still happen in the world. Finally, as the trail’s foot traffic increased, we moved on.

Woodcreepers can be intimidating birds to identify, so I relished spending time with several species at the ant swarm, including this Northern Barred-Woodcreeper.

We, of course, saw many more species on this outing—including Braden’s fourth lifer of the day, a White-throated Shrike-Tanager—but it was the antbirds that would stay with us as we headed to our next, equally spectacular destination, Caño Negro wetlands.   

Our Sky Adventures checklist: https://ebird.org/checklist/S303092147

The Birds in the Oaks (Book Review by Scott Callow)

Braden and I head to Costa Rica next week, but before we go I am delighted—yes, delighted—to share the following guest book review by my buddy, Scott Callow. I predict you’ll enjoy his passionate, humorous review as much as the book itself! We challenge you to read it before our next post. And now, heeeeeeeeere’s SCOTT!

Sneed asked me to write a review of The Birds in the Oaks: Secret Voices of the Western Woods by Jack Gedney (HeyDey Press, 2024) before I completed reading it. Consequently, It was impossible for me to finish the last chapter without constant rereading because I became anxious and distracted, wondering how to share all the great things about it. For those of you who only read headlines or first paragraphs of news stories, let me present a few crafted comments that summarize my experiences, being careful not to exaggerate.

Order Jack Gedney’s The Birds in the Oaks by clicking here or on the above image.

* If you live near oak woodlands, you have no claim to being “interested in birds” if you do not read this book.  

* The Birds in the Oaks is overflowing with interesting ecological details that will keep me rereading chapters, and I expect I will mark the pages with notes like a seeker underlining sections of the Bible on the journey to become a better person.  

* The Birds in the Oaks is a superb example of well-crafted nature writing that mixes extensive and accurate observations with poetic prose, and mixes personal experiences with quotes from historical bird authors.  

Last fall, I was fortunate enough to accompany Scott to one of his favorite “oaky birdy” locations, Sugarloaf Ridge State Park in Sonoma County, where we saw a great variety of classic oak woodland species including Oak Titmouse, Golden-crowned Sparrow, and Nuttall’s Woodpecker. (See post World Series Birds in the Golden State.)

This book, admittedly, is personal for me. I live within walking distance of California oak woodlands. I volunteer at Sugarloaf Ridge State Park which is dominated by oak woodlands and mentioned in the book. The author’s former Wild Birds Unlimited store lies only 24 miles from me. Most importantly, I know these birds. I have learned so much about each of them from Gedney’s book that they have become even more familiar (emphasis in “family”). I will admit only here, amongst birders, that I sometimes say “Hey, buddy!” when I see my first Oak Titmouse of the day, and “Hey-hey-hey” when I see a White-breasted Nuthatch.  

Scott apparently has been known to converse with White-breasted Nuthatches. I can’t blame him as I talk to these guys myself!

Each curiously titled chapter is organized around a species. Each begins with key characteristics. Many chapters start with song and call, which I appreciate since I’m late in life to learning bird sounds. (Thank you Merlin.)  Example:

“I still hear the bird, steadily whit-whiting away as if mocking my inability to follow.” (A Bird at Our Level – Bewick’s Wren) (“whit-whit bew-wick” – record to memory)

As someone who seeks to be entertained by bird behavior and science, I enjoyed how Gedney explains bird ecology.  

“… to learn all the secrets of the woods, one must know … the birds beneath the oaks.” (Discontented Shadows – Spotted Towhee) (Cool we’re on a treasure hunt, I tell myself.)

The ecological details too elaborate to be found in a guide have already enriched my birding.  Even if you don’t regularly see Acorn Woodpeckers, every birder should learn about their unique extended family groups and their cooperative food hoarding strategies. I also believe every birder should wonder how the Bushtit, weighing as light as a nickel, can engineer such an elaborate sock-shaped nest, insulate it, camouflage it, and then use it for such a short nesting cycle, all on a diet of insects too tiny to see, even with the help of binoculars.

The ultimate oak woodland bird, the Acorn Woodpecker, deservedly attracts abundant attention from birders, both for its stunning good looks and fascinating behavior that features cooperative breeding and storage of thousands of acorns. Isn’t that, ahem, nuts?

But this book is not written by or for the scientist. Gedney is not afraid to add his own appreciation of a bird or personal experiences or poetic descriptions. This at first raised my anthropomorphic alarms since I was trained to reject human sentimentality by my vertebrate bio prof, surprisingly an ornithologist who once said “birds are stupid; their behaviors are mostly determined by genetics; they have small brains.” (These prejudices were spoken decades before contradictory scientific information was shared in The Genius of Birds and several other books on bird intelligence.)  

The Birds in the Oaks is very accessible, humanly so. It is so well written that you just might re-imagine your own feelings about birds and get all warm-like inside. You just might be heard saying “Wow” when learning something new about one of the birds. You might just slow down and spend “an inordinate amount of time” observing a bird in one location. Maybe, maybe not. But I will risk one bold prediction: If you get this book, several times you will imagine walking through the woods with the author himself.  

No oak trees were harmed in the writing and publishing of this review.

The Social Lives of Birds (Book Review)

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With single-digit temperatures in Montana this week, it is still very much book reading season, a time when all birders can—and should—beef up our birding resumés by tapping into the vast wealth of research and experience of the global birding and scientific communities. This past week, I delved into a topic that intrigues most birders by picking up Joan E. Strassmann’s The Social Lives of Birds: Flocks, Communes, and Families (Tarcher, 2025).

Joan Strassmann’s The Social Lives of Birds is packed with delightful revelations for beginning and experienced birders alike. (Click on the cover for ordering info.)

A well-regarded professor and scientist, Strassmann has created a comprehensive resource that introduces readers to almost every aspect of bird society. She begins by answering the simple question “Are Birds Social?” (You can probably guess the answer to that!) Then, chapter by chapter, she explores topics that fascinate beginning birders as much as they do veteran scientists. These include flocking behavior, mixed-species flocks, the predilection of many birds to roost and/or nest in colonies, the pros and cons of nesting and/or roosting together, lekking behavior, and more.

The author devotes an entire chapter to the fascinating and intriguing world of seabird colonies, such as those of one of the world’s most popular birds, the Blue-footed Booby.

I learned something fascinating with each chapter. For instance, I was first drawn to the book because the cover showed a line of six Long-tailed Tits packed tightly together on a branch. I had had the pleasure of observing these birds in the Netherlands (see our post Layover Birding in Amsterdam), Japan (see our post Birding Japan: Kyoto), and Spain (see our post Birding Barcelona, Part 1: The Urban Core), but had no idea that they lived and foraged in stable flocks that are often built around a main breeding pair and its offspring. In her book, Strassmann recounts a study that showed that on chilly nights, the tits nestle tightly together to stay warm, and that often it is the lowest birds on the “tit totem pole” that have to endure the chillier end positions. This is no trivial matter since the birds lose about 9 percent of their total body mass in a single, chilly night.

After observing Long-tailed Tits in Europe and Asia, I was fascinated to learn more details of their highly social behavior in The Social Lives of Birds.

Similar revelations emerge with every chapter, examining birds from a wide variety of terrestrial and aquatic habitats. My favorite chapter was the last, “Supersocial Groups: Birds That Are Always Together.” That’s probably because it featured one of my favorite birds, the Acorn Woodpecker (see our post College Search Birding in California), and three other species I was fascinated to learn more about: White-winged Choughs, Sociable Weavers, and a bird Braden and I are always delighted to see, Pinyon Jays. Regarding the latter, Braden and I have seen Pinyon Jays only a handful of times here in Montana, and I had wondered why they aren’t more common. Strassmann explains that the birds need extremely large territories to guarantee a dependable food supply. Unfortunately, their main food source, the pinyon pine, has suffered extreme losses from clearing for agriculture and other reasons. Warmer temperatures driven by climate change have also impacted the production of pinyon pine seeds, leading to large-scale die-offs of these beautiful, dynamic, gregarious birds.

Strassmann devotes much of the final chapter on one of Braden’s and my favorite birds, Pinyon Jays, shown here in a cemetery in Helena, Montana.

The Social Lives of Birds struggles a bit over whether it wants to be a comprehensive resource or an engaging narrative in the vein of the recently reviewed The Great Auk or A World on the Wing. The author mentions her personal connections to many of the topics, but I found these more distracting than engaging. Still, that will not prevent readers from enjoying the book and harvesting a wealth of information—knowledge that will help you look at birds with greater understanding and appreciation each time you head out to bird.

Review copy provided by the publisher.