👕 Bird Merch — Get yourself some bird shirts! ~~~ Episode 135 takes on one of North America's most recognizable birds: the Red-winged Blackbird, Agelaius phoeniceus . With a population possibly approaching 200 million, this species is a fixture of wetlands and marshes across the continent, and one of the most intensively studied birds in ornithology. Ivan explores the biology and behavior that make this bird so compelling: its striking sexual dimorphism, the surprisingly complex story behind th...
Jun 21, 2026•55 min•Ep. 135
In each Random Bird Thursday (RBT) episode, the goal is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they certainly deserve some appreciation and attention. ~~~~~~~~~~~~~~~~~ ⚠️ SPOILER ALERT! The featured species in this episode is Jameson's Snipe ( Gallinago jamesoni ). Sound Citations : Niels Krabbe, XC238296. Accessible at www.xeno-canto.org/238296. Niels Krabbe, XC47237. Accessible at w...
Jun 11, 2026•15 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ This is Episode 134. Ivan takes on one of the most iconic bird families in the avian world: Accipitridae—the hawks, eagles, kites, buzzards, harriers, and Old World Vultures. It's a massive and diverse group with no good nickname, though Ivan has a few suggestions. The episode covers the key traits that make these birds such formidable predators—from their hooked bills and locking talons to the bony "brow ridge" that gives them their signature s...
Jun 01, 2026•1 hr 1 min•Ep. 134
👕 Bird Merch — Get yourself some bird shirts! ~~~ In this From the Field episode Ivan takes listeners along on a two-week scouting trip to Romania where he explored the country's remarkable natural landscapes in preparation for a future birding tour. There's just one catch: his binoculars broke almost immediately after arriving. Despite that setback, Ivan racks up some lifers and shares highlights from two very different corners of the country. First, he heads to the Danube River Delta on the B...
May 17, 2026•41 min•Ep. 133
In each Random Bird Thursday (RBT) episode, the goal is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they certainly deserve some appreciation and attention. ~~~~~~~~~~~~~~~~~ ⚠️ SPOILER ALERT! The featured species in this episode is the Jungle Owlet ( Glaucidium radiatum ). Sound Citations : Dr S S Suresh, XC1102415. Accessible at www.xeno-canto.org/1102415 Swami Bogim, XC1037332. Accessible...
Apr 30, 2026•19 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ In Episode 132, Ivan Phillipsen explores the "circulatory system of the land"—the world of rivers and streams. These flowing-water environments, serve as vital habitats for avian life. The episode delves into the ecology of these waterways, breaking down the differences between clear, rocky upland streams and the warmer, sediment-rich rivers of the lowlands. Listeners will learn about the distinct "zones" of a stream—from the central channel to ...
Apr 22, 2026•1 hr 1 min•Ep. 132
In each Random Bird Thursday (RBT) episode, the goal is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they certainly deserve some appreciation and attention. ~~~~~~~~~~~~~~~~~ ⚠️ SPOILER ALERT! The featured species in this episode is the Bicolored Antbird ( Gymnopithys bicolor ). Sound Citations : Niels Krabbe, XC250916. Accessible at www.xeno-canto.org/250916. Johan Chaves, XC949385. Accessi...
Apr 09, 2026•26 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ In Episode 131 of The Science of Birds , host Ivan Phillipsen takes a deep dive into one of North America's most familiar woodpeckers: the Northern Flicker ( Colaptes auratus ). Found year-round across the continent, this bird has a habit of making itself known in some startling ways, including drumming loudly on rooftops at the crack of dawn. The episode describes the flicker's appearance, from its bold spotted plumage and signature white rump ...
Apr 05, 2026•56 min•Ep. 131
In each Random Bird Thursday (RBT) episode, the goal is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they certainly deserve some appreciation and attention. ~~~~~~~~~~~~~~~~~ ⚠️ SPOILER ALERT! The featured species in this episode is the Green-breasted Pitta ( Pitta reichenowi ). Sound Citations : Magnus Wadstein, XC534681. Accessible at www.xeno-canto.org/534681. Jesse Fagan, XC146919. Acces...
Mar 26, 2026•15 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ In this episode—which is number 130—Ivan Phillipsen explores the fascinating phenomenon of vagrancy... those surprising moments when birds appear far outside their normal range. Learn about the forces that send birds off course, including navigation errors, weather, social behavior, and more. The episode goes beyond the mystery of lost birds to ask a deeper question: are these wayward journeys simply mistakes, or can they shape the future of spe...
Mar 17, 2026•54 min•Ep. 130
In each Random Bird Thursday (RBT) episode, the goal is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they certainly deserve some appreciation and attention. ~~~~~~~~~~~~~~~~~ ⚠️ SPOILER ALERT! The featured species in this episode is the White-throated Treerunner ( Pygarrhychus albogularis ). White-throated Treerunner sounds (Xeno Canto recordings XC49939 and XC52238 ) Support the show...
Mar 05, 2026•26 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ In this episode, host Ivan Phillipsen dives into the diverse and sometimes mysterious world of the avian family Cuculidae. While the family is famous for the iconic call of the Common Cuckoo and cultural icons like the Cocoa Puffs mascot, it also includes a wide array of other fascinating birds such as roadrunners, coucals, couas, anis, and malkohas. Learn about the unique biological traits and behaviors that define this cosmopolitan group. From...
Feb 25, 2026•1 hr 6 min•Ep. 129
In each Random Bird Thursday (RBT) episode, the goal is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they certainly deserve some appreciation and attention. ~~~~~~~~~~~~~~~~~ ⚠️ SPOILER ALERT! The featured species in this episode is the Yellow-eyed Penguin ( Megadyptes antipodes ). Support the show...
Jan 29, 2026•16 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ This is Episode 128. How does a bird travel thousands of miles across the globe only to return to the exact same backyard or nest site year after year? This episode explores the fascinating science behind avian navigation. Learn the difference between simple orientation and "true navigation," uncovering how birds reach specific destinations they have never even visited before. The discussion dives into the bird’s "map-and-compass" toolkit, highl...
Jan 18, 2026•39 min•Ep. 128
In each Random Bird Thursday (RBT) episode, the goal is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they certainly deserve some appreciation and attention. ~~~~~~~~~~~~~~~~~ ⚠️ SPOILER ALERT! The featured species in this episode is the Groundscraper Thrush ( Turdus litsitsirupa ) Groundscraper Thrush sounds: Wikimedia file and Xeno Canto recording XC347146 ) Support the show...
Jan 08, 2026•16 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ Episode 127 of The Science of Birds is Ivan Phillipsen’s annual review of fascinating ornithology stories from 2025. Learn about a handful of standout studies that deepened what we know about birds, from major developments in global bird taxonomy to surprising insights about behavior, evolution, and conservation. After a few featured deeper dives, the episode shifts into a rapid-fire “Speed Round,” spotlighting a flurry of bite-sized discoveries...
Jan 03, 2026•44 min•Ep. 127
In each Random Bird Thursday (RBT) episode, the goal is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they certainly deserve some appreciation and attention. ~~~~~~~~~~~~~~~~~ ⚠️ SPOILER ALERT! The featured species in this episode is the Asian Dowitcher ( Limnodromus semipalmatus ) Asian Dowitcher sounds (Xeno Canto recordings XC349045 and XC806613 ) Support the show...
Dec 12, 2025•22 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ In this episode—which is number 126—Ivan Phillipsen heads to the seashore to explore the iconic Herring Gulls whose calls define the soundscape of coasts across North America and Europe. Listeners meet not just one but two species: the American Herring Gull and the European Herring Gull, nearly identical in appearance but with a surprisingly twisty evolutionary backstory. Ivan breaks down what makes these gulls such compelling birds: their “mena...
Dec 04, 2025•47 min•Ep. 126
In each Random Bird Thursday (RBT) episode, the goal is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they certainly deserve some appreciation and attention. ~~~~~~~~~~~~~~~~~ ⚠️ SPOILER ALERT! The featured species in this episode is the White-thighed Hornbill ( Bycanistes albotibialis ) White-thighed Hornbill sounds (Xeno Canto recording XC617118 ) Support the show...
Nov 28, 2025•15 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ This is Episode 125. Host Ivan Phillipsen takes listeners inside the amazing respiratory system of birds. He starts by grounding the topic in familiar territory—how mammal lungs work—before revealing how different the avian system really is. The episode walks through the unique division of labor between birds’ small, rigid lungs and their large air sacs, and explains the elegant, one-way flow of air that keeps oxygen constantly moving across gas...
Nov 18, 2025•38 min•Ep. 125
In each Random Bird Thursday (RBT) episode, the goal is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they certainly deserve some appreciation and attention. ~~~~~~~~~~~~~~~~~ ⚠️ SPOILER ALERT! The featured species in this episode is the Little Woodpecker ( Veniliornis passerinus ) Support the show...
Nov 06, 2025•18 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ This is Episode 124. Host Ivan Phillipsen takes you on a tour of Mimidae—the New World family that includes mockingbirds, thrashers, catbirds, and tremblers. He describes the key features of these songbirds and what sets them apart. Ivan explores the sounds that make this family famous: rich, extended songs, dazzling vocal control, and—for many species—impressive mimicry. You'll also learn about mimid diversity and evolution, from North American...
Oct 31, 2025•1 hr•Ep. 124
In each Random Bird Thursday (RBT) episode, the goal is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they certainly deserve some appreciation and attention. ~~~~~~~~~~~~~~~~~ ⚠️ SPOILER ALERT! The featured species in this episode is the Arabian Bustard ( Aredotis arabs ). Support the show
Oct 09, 2025•21 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ In Episode 123 Ivan Phillipsen explores the fascinating world of subspecies—the diversity that exists within bird species. Learn how these populations arise, why ornithologists sometimes struggle to define them, and what makes the concept so important for both science and conservation. From the record-breaking Island Thrush, once thought to have more subspecies than any other bird, to chickadees, sparrows, and hawks closer to home, Ivan shares e...
Oct 02, 2025•48 min•Ep. 123
In each Random Bird Thursday (RBT) episode, the goal is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they certainly deserve some appreciation and attention. ~~~~~~~~~~~~~~~~~ ⚠️ SPOILER ALERT! The featured species in this episode is the White-throated Needletail ( Hirundapus caudacutus ). Support the show...
Sep 11, 2025•28 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ This is Episode 122. Host Ivan Phillipsen takes listeners into the vast sagebrush steppe of western North America and introduces the remarkable birds that call it home—the sage grouse. These birds are icons of the American West, tightly bound to a rugged ecosystem that covers nearly a third of the lower 48 states. Ivan explores how sage grouse have evolved to thrive on a diet of sagebrush—plants laced with bitter, toxic chemicals that most anima...
Sep 02, 2025•56 min•Ep. 122
In each Random Bird Thursday (RBT) episode, the goal is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they certainly deserve some appreciation and attention. ⚠️ SPOILER ALERT! The featured species in this episode is the Streak-backed Oriole ( Icterus pustulatus ). Support the show
Aug 22, 2025•25 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ This is Episode 121. In this unscripted “From the Field” episode, host Ivan Phillipsen takes listeners on an immersive, unscripted journey through his recent month-long travels in Japan. Splitting his time between scouting for a future birding tour and exploring for fun, Ivan revisits the country for the first time since spending a formative summer there as an 11-year-old. He reflects on Japan’s geography, climate, and rich biogeographic history...
Aug 15, 2025•1 hr 3 min•Ep. 121
In each Random Bird Thursday (RBT) episode, the idea is to highlight a bird species that probably isn't going to get featured in a full-length podcast episode. These are birds we might overlook, even though they deserve some appreciation and attention. SPOILER ALERT! The featured species in this episode is the White-whiskered Puffbird. Support the show
Aug 07, 2025•19 min
👕 Bird Merch — Get yourself some bird shirts! ~~~ In this episode—which is Number 120—Ivan answers questions sent in by listeners. So this is what we call an “Ask Me Anything” (AMA) episode. The listeners who get to contribute questions for these Ask Me Anything episodes are members of the Science of Birds community on Patreon. There are several tiers of support that people can join, and at the Helpful Hornbill and Awesome Osprey level, one perk is getting to contribute questions for episodes l...
Jul 29, 2025•45 min•Ep. 120
