If you are a fan of entertaining tales that blend bird biology, history, and human eccentricity, Tim Birkhead’s new work The Great Auk (Bloomsbury, 2025) will find a welcome place on your night stand. I have to confess that this is the first Birkhead book I have read, but the title suggested a fascinating story about a topic I knew very little about, so right away I requested a review copy from the publisher. My efforts did not disappoint.
The Great Auk by Tim Birkhead (Bloomsbury, 2025)
For me, the first question that needed answering was, “What the heck was a Great Auk?” I had, of course, heard of Great Auks during my twelve years observing, researching, and writing about birds but I hazily lumped them in with the totally unrelated Dodo and elephant birds. Why? Probably because all of these birds had been large and flightless—and all had gone extinct. Other than that, I knew almost nothing about Great Auks.
Great Auks were the original penguins, conferred the genus name Pinguinus. The origin of the name penguin is uncertain but may refer to the bird’s white head or white eye patch. In any case, the name was later applied to flightless birds of the Southern Hemisphere, even though they bear no close relationship to the Great Auk. (Photo copyright Errol Fuller)
Upon opening Birkhead’s book it was therefore a great relief to learn, “Oh, yeah. Great Auks are actually auks—seabirds!” I mean, duh, right? Members of the Alcid family, their closest living relatives appear to be Razorbills, something I found delightful since Braden showed me my first Razorbills only last Thanksgiving when our family had the chance to visit Cape Cod (see post Birding Race Point). Birkhead is quick to point out, however, that surprisingly little is known about Great Auk biology, much of it speculation from the relatively scant specimen material that has survived.
Seeing one of the Great Auk’s closest relatives, Razorbills, provided a living link to the tragedy of the Great Auk’s extinction.
Which, of course, brings us to the tragic fact that Great Auks were quickly and efficiently wiped out almost as soon as seafaring Europeans on their way to North America figured out where the birds nested. That happened to be remote islands in the North Atlantic, and in historical times, there probably never were more than a handful of breeding sites for the birds. In early chapters, Birkhead especially focuses on what was clearly the most important site, Funk Island. Here, tens—perhaps hundreds—of thousands of Great Auks gathered every year. Couples would each lay their single, exceedingly large egg and work together to feed the resultant, rapidly-growing chicks from the abundant fish schools nearby.
Like Razorbills, puffins, murres, and murrelets, guillemots such as this Black Guillemot are members of the Alcid family, and close relatives of the Great Auk.
When Europeans did discover the auk bounty to be had, the slaughter began. Ships heading to what is now northeast Canada stopped over to feast on the auks and preserve them for food. Later, egg, skin, and feather collectors helped finish them off. Birkhead especially documents the brutal habits of egg collectors. Not wanting to obtain eggs with well-developed embryos inside, the collectors would intentionally crush every egg that they found. Returning a few days later, they could be assured that the embryo inside of any new egg had not yet developed, and its contents could be easily removed through a tiny hole made in the shell. Officially, the last two auks were killed in 1844, though it is likely that a few isolated individuals survived into the following couple of decades.
Birkhead neatly divides The Great Auk into two parts. The first focuses mainly on the history of the bird, its demise, and what can be constructed of its biology from historical accounts, surviving specimens, and extant relatives. Part 2 focuses mainly on some of the more rabid egg and skin collectors, especially Vivian Hewitt, who somehow managed to acquire thirteen Great Auk eggs for his vast collection of approximately half a million bird eggs.
A selection of known surviving Great Auk eggs shows their great variety, which may have helped parents identify them in the crowded breeding colony. This variety also partly explains why they were so attractive to collectors. (Illustration by Henrik Grønvold, 1907)
I have to say that I enjoyed Part 2 just as much as Part 1. Few of us realize this today, but oologist—a term coined for egg collectors that attempted to confer scientific legitimacy upon a practice that we now consider despicable—was all the rage in the early 1900s. It was practiced much as stamp and coin collecting were when I was a kid—and with little thought about the consequences for birds. Collectors routinely not only gathered an egg of a species, but entire clutches of eggs and even hundreds from the same species, searching for variety, fame, and fortune.
As perhaps the wealthiest participant in the field, Hewitt spent a small fortune both obtaining individual eggs and opportunistically snapping up entire collections of other egg collectors when their fortunes turned for the worst. Most prized of Hewitts acquisitions were the eggs and mounted specimens of the Great Auk that he managed to obtain, each of which has a story—and many of which Birkhead traces to fascinating effect. I won’t say more about this fine book, but if you enjoyed Christopher Skaife’s The Ravenmaster and Joshua Hammer’s The Falcon Thief, you are almost guaranteed to love The Great Auk, too. And if you do, why not help prevent the extinction of other bird species by donating to the American Bird Conservancy, the National Audubon Society, or another group working to protect our precious surviving species? Thousands of bird species are in trouble and the need is great.
Instead of your regularly-scheduled blog, we today invite FSB readers to join in on an urgent appeal to help protect one of North America’s coolest and most vital bird habitats—the globally important Bolivar Peninsula. Learn more and donate by clicking here—or on the Piping Plover below.
If you’ve followed FatherSonBirding—or read my books Birding for Boomers or Warblers & Woodpeckers: A Father-Son Big Year of Birding—you know that High Island and the Bolivar Peninsula outside of Houston have played pivotal roles in Braden’s and my birding experiences. In these locations, the Houston Audubon Society (HAS) has worked tirelessly to obtain, restore, and protect vital habitat for both migrating and resident birds. On our first visit to High Island and the Bolivar Peninsula in 2016, Braden and I saw an astounding forty-five Life Birds in one day! These included everything from Scarlet Tanagers and Least Terns to Piping, Black-bellied, and Semipalmated Plovers.
Braden and I saw our first-ever Piping Plovers on the Bolivar Peninsula, and I was lucky to see this endangered species again on a subsequent visit.
Even though I live in Montana, I became an annual supporter of HAS shortly after that visit. Even better, I have been fortunate to visit the area three more times. Every trip has been a highlight of my birding career. Each time, I have seen gobs of amazing songbirds, shorebirds, and waders, and learned a ton about birds. Just check out some of my past posts about visiting the region:
Unfortunately, during my visits, I also have noticed an inescapable fact: the Bolivar Peninsula is being developed at an astounding rate and the reason is clear: beachfront property. During our first visit there, Braden and I noticed quite a few houses along the 25-mile or so stretch of the peninsula. On each subsequent visit, I was blown away by how many new houses had sprung up since my previous visit! On my most recent trip, this past April, I realized with dismay that the entire peninsula would soon be wall-to-wall housing developments.
One of dozens of major housing developments that have sprung up on the Bolivar Peninsula since Braden and I first visited in 2016.
I can’t even begin to explain how poorly-conceived this kind of rampant development is. Never mind that it has gobbled up some of the best remaining Gulf Coast wildlife habitat, it is virtually guaranteed that hurricanes will totally destroy these developments as they have in the past—and with increasing frequency thanks to climate change (see this Hurricane Ike story and this astonishing storm list). In fact, the ability of the peninsula in its natural state to block tidal surges, prevent erosion, and soak up storm water economically outweighs by far the short-term profits from this get-rich-quick development.
Rampant development in coastal areas not only destroys critical habitat, it greatly diminishes the ability of the coast to withstand hurricanes and other major storms. Though I’d love to enjoy a beachfront house like this myself, economically it is a lose-lose situation, both for homeowners and taxpayers, who often get stuck with paying the bills for disaster cleanup and rebuilding.
Still, the lure of fast profits is just too much here as it is in many other places. And that’s why I’m writing this post. Right now is one of our last best chances to protect what remains of this globally vital birding habitat. How? Currently, HAS owns and manages more than 3,000 acres of Bolivar Peninsula habitat—natural islands in an expanding sea of development. And yet, right at the entrance to their Bolivar Flats Shorebird Sanctuary, a new development recently cropped up. Ironically dubbed the Sanderling Development, it threatened to wipe out critical habitat and destroy a buffer to the core of the Bolivar refuge. The good news? Through heroic efforts, HAS managed to raise $3 million to buy 25 acres of the land this past July. Now, however, they need another $3 million to complete purchase of the remaining 27 acres of the property. This land is so vital that for the first time in decades, HAS has issued a public appeal for funds—And that’s where we come in!
Just one of many Bolivar housing developments, the proposed Sanderling Development directly threatened the ecological integrity of the Bolivar Flats refuge right across the road. However, HAS still needs to raise $3 million to complete the property’s acquisition. Click on this photo to donate!
No matter where we live, securing this last bit of property should be a major priority for birders. Not only does it help provide essential stop-over areas for millions of migrating birds that spread out across the continent, it helps protect critical breeding and wintering habitat. Endangered Piping Plovers, Black Rails, and Red Knots are just three endangered species among hundreds of other species that use this important area.
A fall Long-billed Curlew at Bolivar Flats—perhaps just returned from breeding in Montana?
So how about it? Do you have $25 to chip in? $100? $1000? If you do, I can say with confidence that your money will rarely be better spent. Along with donating, why not plan a spring or fall trip down to the area? If you are fortunate enough to be able to do this, I can almost guarantee it will be one of the highlights of your birding experiences. You also will not have the slightest doubt that your investment in this area is one of the best you will ever make. To donate, CLICK HERE NOW!
And with that, I will sign off so I can make a contribution myself!
Houston Audubon’s Bolivar Peninsula’s sanctuaries are not only vital for Texas birds, but for breeding birds throughout North America.
One of our goals at FatherSonBirding is to encourage support of scientists and nonprofits working to protect our planet’s many imperiled bird species. We hope that you will consider sending a donation to Montana Bird Advocacy, whose work is featured in today’s blog. You can do this by clicking here. It will be money well spent!
Late July often ushers in the birding doldrums. Having finished courtship and breeding, most birds get super quiet. They often disperse from their breeding territories, too, making them more difficult—or at least unpredictable—to find. But this year I was in luck: I had a writing assignment that would guarantee I see at least a few very cool birds.
My best look yet at a stunning Ferruginous Hawk proved a delightful bonus to my day near Bannack.
You may recall my unsuccessful June trip down to Beaverhead County (see post In Search of the Green-tailed Towhee) to visit with biologist Jeff Marks, founder of the nonprofit scientific research group Montana Bird Advocacy. There, Jeff and colleague Paul Hendricks are performing a long-term study on one of Montana’s little-known birds, the Gray Flycatcher. When I visited, Paul wasn’t there, but I also got to meet biologist and research assistant Nate Kohler, who has been playing a pivotal role in the study.
The word “gulch” conjured up a much more verdant image to my mind, but as you can see it takes some pretty special adaptations to survive in this rugged country.
Although my June trip allowed me to see many wonderful birds and interview Jeff and Nate, my intention to see the Gray Flycatchers got squashed by a freak winter storm. Worse, the storm wiped out a whole crop of nestling Gray Flycatchers. The good news? The adults had laid second clutches of eggs, and the babies were getting ready to fledge as I again headed down there the last week of July. This time, the weather would be ideal for seeing them.
Jeff and I headed out at 8:00 a.m. and made our way up Bannack Bench Road, which borders the study area. This was the third season of the study, and its purpose is to figure out some of the basic biology of a bird that scientists know very little about. To do that, Jeff, Paul, and Nate have been banding adult flycatchers with color bands that allow field identification and observation of individual birds. The birds have been a challenge to catch, but the biologists have managed to band about a dozen each year—and with fascinating results. I won’t reveal too much about those results here since I’m also writing an article for Montana Outdoors magazine that will be out next year. However, I will tell you that seeing where these birds nest and what they are doing was a thrill.
Biologist Jeff Marks takes notes on a Gray Flycatcher nest in his Beaverhead County study area.
When Jeff first told me they were working in a place called Sheep Corral Gulch, I imagined sagebrush plants bordering some kind of verdant riparian zone, perhaps lined with aspens or junipers. Imagine my surprise to see nothing but sagebrush in every direction! Gray Flycatchers breed throughout the Great Basin, but one of the fascinating things about them is that they choose different habitats in different places. In other states, they nest in juniper, pinyon pine, and even ponderosa pine, but in this part of Montana the birds breed almost exclusively in sagebrush plants along dry washes. One thing that these places share in common is that they have open ground for foraging.
Color-banded adults allow Jeff and the Montana Bird Advocacy team to make detailed observations about mating and behavior of these little-known birds.
In Beaverhead County, though, not just any sagebrush will do. The birds nest only in taller plants four to eight feet high—plants that can mainly be found growing in the (usually) dry main stream channels of gulches. This year, Jeff and his colleagues located about a dozen nests, one to two hundred meters apart, and as Jeff and I began hiking, it wasn’t long before we spotted an adult bird up ahead. Using GPS coordinates, it took only minutes for Jeff to locate the bird’s nest—a nest with babies!
“They will fledge any day now,” Jeff told me, “and it looks like both parents are feeding them.” Having two involved parents gives the nestlings a huge survival advantage, and as we watched, we saw a parent deliver a juicy grasshopper to its ravenous chicks.
Most of the Gray Flycatcher nests were bursting with babies itching to head out on their own—after a few more meals from Mom and Dad!
For the next three hours, I followed Jeff as we visited one nest after another, and most were jam-packed with two or three babies champing at the bit to head out on their own. We, of course, made sure to stay well back so as not to spook them out of the nests before they were ready.
An unbanded adult Gray Flycatcher keeps watch on us as we move through its territory: “Move on. Nothing to see here, folks.”
I thought we would see a lot of other birds as we hiked, but especially this time of year, the birds stayed out of sight. We saw a couple of Brewer’s and Vesper sparrows, and a single Sage Thrasher and Northern Harrier. What a contrast from a month earlier when I spotted Sage Thrashers and Brewer’s Sparrows almost everywhere I looked! Nonetheless, I couldn’t have been more thrilled to get these up-close-and-personal looks at one of Montana’s most uncommon species.
Sage Thrashers were noticeably more elusive than only a month earlier, but this one did pose nicely on a fencepost along Bannack Bench Road.
You may be wondering just where Gray Flycatchers can be found in Montana. That itself is a fascinating story, because they apparently arrived in our state only recently. The first official record occurred in 1999, and Jeff believes that the birds may only have reached the Treasure State as part of an expansion northward from the Great Basin that occurred in the 1970s. Their Montana strongholds are in Beaverhead and Carbon counties (see post Bear Canyon—Montana’s “Tropical Birding” Paradise), but it takes careful observation and listening to distinguish the birds from almost identical-looking Dusky Flycatchers. The fact that the birds are so restricted here in Montana, though, points out how important it is that we protect our fragile sagebrush communities. It also underscores the great value of the work that Montana Bird Advocacy is conducting, because only by understanding the biology of the Gray Flycatcher and other sagebrush species can we know how to protect them.
Please consider supporting the ongoing work of MBA by clicking here and making a donation. The flycatchers will thank you—as will generations of future birders!
While getting ready for the next day at the study site, MBA’s rental cabin offered an idyllic view of pastureland, complete with deer, coyotes, and gobs of Common Nighthawks. Donate to Montana Bird Advocacy by clicking on this picture.
In an earlier post, we may have let slip that both Braden and I are on a tear for our 2025 global species lists (see our post In Search of the Green-tailed Towhee). That’s due to a variety of factors. Braden not only drove across the country from Maine to Montana this past spring (see last post), he embarked on intense birding trips to Oaxaca, Mexico (see post Birding in Oaxaca, Mexico) and Costa Rica. As for me, I received delightful last-minute invitations to Colombia (post Antpittas and Tody-Flycatchers), thanks to FSB contributor Roger Kohn, and to Texas, where I spoke about my book Birding for Boomers. The upshot of all this is that Braden has seen almost 800 species of birds this year, while I am within twenty birds of breaking my all-time record of 527.
The thing is, twenty birds in Montana in late July is more challenging than it sounds. Birds common in May or June become increasingly difficult to detect and find, so if you don’t have them by August you may not get them at all. That means you’ll have to rely on migrants—which are notoriously unpredictable—or winter arrivals that you probably got earlier in the year. As a result, I’ve recently been focused on picking up the remaining common birds that I so far haven’t seen. Top on my list? Say’s Phoebe.
Last year, I saw a Say’s Phoebe near the base of Missoula’s Pattee Canyon. Alas, that one eluded me this year, forcing me to search farther afield!
Say’s Phoebes are cool little flycatchers that love to nest on human-made structures such as barns, covered porches, and utility buildings. While not rare, they seem to be pretty picky about their accommodations, and we run into them only infrequently in Montana. As I write this, for example, only four sightings have been reported in Missoula County in the past month. While scouring eBird, though, I did note regular sightings up at Kerr Dam below Flathead Lake. Braden and I had discussed doing a birding day trip, so two Tuesdays ago we set out early, Say’s Phoebes our Number One goal.
Before leaving Missoula, Braden asked if we could stop at Greenough Park. He had been pursuing a birding challenge with friends back East to see how many species they could find every day for seven days in a row. “I want to pick up Lazuli Bunting and Swainson’s Thrush,” he told me. This search happened to lead to the first delightful surprise of the day. As we were walking up a dirt trail, we approached a cottonwood tree where Braden had found a Western Screech Owl two days before. Today, he suddenly exclaimed, “Oh my god! It’s a baby!” Sure enough, a WSOW baby sat only a yard from its parent about twenty feet up the tree. Here, our day had just begun and already it had been a wonderful outing!
This adorable little guy was the first baby Western Screech-Owl Braden and I had ever seen!
Still, we had a lot of ground to cover. After a fortifying meal at our favorite French restaurant, McDaniels (in honor of Rogére), we headed up to Ninepipe NWR. We didn’t have any major agenda there except perhaps to snag some shorebirds. For July, it was an unusually cool, overcast day and we joked that we might see some Black Swifts. For those unfamiliar with Black Swifts, they are one of the most elusive and rare birds in the US. They nest mainly behind waterfalls and, especially with climate change, are highly vulnerable throughout their range. In Montana, I had never seen one outside of Glacier National Park, and it was pie-in-the-sky logic to even hope we might see one here out in the valley.
Braden poring through intermolt ducks at Ninepipe.
Anyway, we stopped at one Ninepipe pullout just off Hwy 93. The ducks were in their almost-impossible-to-identify intermolt plumages, but we still saw a nice variety of them plus Trumpeter Swans, American White Pelicans, Double-crested Cormorants, and Great Blue Herons. “Where are the Black Swifts?” I pressed Braden, but he shrugged off my flippant remark.
Though we hadn’t seen any Black Swifts, the low cloud cover at least admitted the possibility that they would venture down into the valleys from their mountain waterfall hideaways.
The phoebes on our minds, we didn’t want to spend too much time at Ninepipe, but decided to stop at one more pullout and, again, found the usual suspects. We both searched the skies for Black Swifts just in case, but didn’t see any. “I have to go to the bathroom,” Braden said, and I kept looking around for various birds. As soon as Braden emerged from the outhouse, however, he shouted, “Black Swifts!” Huh? My eyes darted back toward the low clouds, and there they were—four unmistakable dark shapes scything through the air!
Black Swifts were a stunning find on a day for which we had almost no expectations.
Though I’d seen Black Swifts before, this was my first time really getting to study them, and I noticed both similarities and differences between other swifts. Like other swifts, BLSWs have distinctive almost sickle-like shapes when they fly. With a wingspan of eighteen inches, however, they are significantly larger than Montana’s other swifts, and this shows in their flight. While Vaux’s Swifts zip around with almost mechanically stiff rapid wingbeats, Black Swift wings bend more noticeably. They still look like advanced jet fighters as they zoom through the sky, but with more flexible bodies. Braden also pointed out that Black Swifts show noticeable forks in their tails compared to Vaux’s Swifts, which look like their tails have been chopped off with a cleaver.
Swifts can usually be distinguished from swallows by their stiff-winged, scythe-like silhouette. Note the prominent fork in the tail of this BLSW that distinguishes it from Vaux’s Swifts—though White-throated Swifts can also show a fork.
We watched these rare beauties for a full five minutes before they drifted away across the lake and I even managed some cool photos. After they had gone, Braden and I just looked at each other. “Black Swifts,” he said, and we gave each other a hug.
Swifts always remind me of fighter jets—captured here doing an F-35 impersonation.
Remarkably, it was still only 8:30 and we had a ton of birding ahead of us. Our next stop was the roadside rest stop just south of Ronan where we picked up lone Semipalmated, Spotted, and Solitary Sandpipers, along with a pair of Long-billed Dowitchers, all undoubtedly in migration. After that, we headed to Pablo NWR in hopes of some interesting water birds. We struck out on those—but were amazed to see more than 300 Bank Swallows resting on the dirt road. “They must be migrating, too,” Braden marveled, and I agreed. In fact, it has been a very lucky swallow year for both of us with, for example, great looks at large numbers of migrating Tree Swallows and Cliff Swallows. This was the first time we’d ever seen Bank Swallows in such numbers, though. From there, it was on to our primary destination: Kerr Dam.
Braden had never been to Kerr Dam before, and I’d just gone to the overlook, but the entire site reminded me of a throwback to gentler, more civic times, when people shared more of a vision for the common good. From the overlook, we looked down on the dam itself with the Flathead River backing up into Flathead Lake beyond. Below the dam, dramatic, highly eroded cliffs framed a dramatic canyon full of promising riparian habitat.
Braden and I both wondered what secrets the dramatic cliffs below Kerr Dam might be hiding!
From the overlook, we watched Ospreys and Braden said, “Look, there are some Violet-green Swallows. White-throated Swifts should be here, too.” Not two minutes later, he spotted a pair flying overhead, their sickle-shaped wings and white breasts clearly visible against the blue sky. “Uh-oh,” I said. “That means that we might have to go for the Swift Trifecta and find some Vaux’s Swifts.” Braden sighed in agreement. Darn those swifts!
But we had not forgotten our main target, Say’s Phoebes. “I’m guessing they are down there at the power station below the dam,” I said. “You up for going down there?”
“Sure.”
Squinting into the sun at the overlook to Kerr Dam, the Flathead River running south below the dam in the distance.
Winding our way down to the power station, we were greeted by a cluster of neatly-kept houses and a fenced-in area full of transformers and other “power stuff.” All of this was surrounded by an open, pleasant park-like setting that reminded me of my days working on the Pitt River dam network in northern California just after college. We decided to get out and walk around and immediately started seeing and hearing Western Wood-Pewees, American Goldfinches, robins, Eastern Kingbirds, and other songbirds. We hadn’t walked ten minutes when suddenly, some kind of flycatcher darted out in front of us to snag an insect.
“Say’s Phoebe!” I exulted, and Braden gave me a high five. There weren’t just one, but two, working the area around the fenced-in transformer area. “This is perfect for them,” I said. “Lots of insects and plenty of structures to nest on.” Alas, they didn’t care for our attentions and kept flying away as we approached, but they and the Black Swifts brought my global year total to 509 species—just nineteen shy of breaking my record of 527. Braden already had the phoebe for the year, but the Black Swifts took his global 2025 total to an astonishing 776 species! BUT . . .
This elusive Say’s Phoebe finally cooperated with me for 2025!
There was still that little matter of a swift trifecta on our minds. After a cultural stop at Richwines Burgerville in Polson, we made our way slowly back to Missoula. Nowhere did we see the third Western Montana swift, Vaux’s Swift. “Let’s go to Caras Park,” Braden suggested as we reached Missoula. “I see them there pretty regularly.”
We parked near the iconic metal salmon sculpture and walked out onto the grass below the Higgin’s Street Bridge. The sun was out by now and things were warming up. Cliff Swallows flew to and from their mud nests on the side of the bridge, but I didn’t expect to see any swifts. “There’s one!” Braden suddenly shouted. Sure enough, several birds with fast, mechanical wingbeats darted back and forth after insects above the Cliff Swallows. It was a final satisfying sighting on a totally surprising, remarkable July day in Montana.
The small size and “chopped off” tails of Vaux’s Swifts are solid ID features to distinguish them from both Black and White-throated Swifts. These wonderful little birds completed our Western Montana “Swift-ecta” and wrapped up one of our best birding days ever.
