- 18 minutes 47 secondsRandom Bird Thursday: A Crepuscular Species That Is Not Actually Magical
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.
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⚠️ 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 at www.xeno-canto.org/1037332.
30 April 2026, 7:00 am - 59 minutes 49 secondsRivers & Streams as Bird Habitat
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~~~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 the lush riparian zone—and discover what resources birds need to thrive in these high-energy environments.
At the heart of the discussion are the "stream specialists"—a select group of approximately 60 bird species worldwide that are evolutionarily tied to flowing water. From the underwater antics the American Dipper to the massive, fish-hunting Blakiston’s Fish-Owl, the episode highlights the incredible adaptations of birds that make their living among the rapids. Whether exploring the global diversity hotspots of the Himalayas or the secretive lives of "streamcreepers," this episode is an inviting look at the birds that call the water's edge home.
Wild Latitudes: Worldwide birding and nature tours.
22 April 2026, 7:00 am - 26 minutes 8 secondsRandom Bird Thursday: A Trans-Andean Ant-Follower with a Complex Social Life
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.
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⚠️ 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. Accessible at www.xeno-canto.org/949385.
Niels Krabbe, XC248252. Accessible at www.xeno-canto.org/248252.
Patricio Mena Valenzuela, XC275411. Accessible at www.xeno-canto.org/275411.
9 April 2026, 7:00 am - 54 minutes 30 secondsThe Northern Flicker
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~~~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 patch to the mustache-like malar stripe that sets males apart. It also covers the bird's surprisingly un-woodpecker-like lifestyle—spending most of its time hopping on the ground in pursuit of ants—and the full range of sounds it uses to communicate, from the mechanical "long call" to the rhythmic "wicka call" used in courtship and territorial disputes.
The episode gets into the centuries-old debate over whether the yellow-shafted and red-shafted forms should be considered separate species, the remarkable hybrid zone stretching across the Great Plains, and what recent genomic research has revealed about the genetics behind their different color forms. Also covered are the flicker's breeding behavior, diet, and its ecological role as a keystone species.
Despite being one of the most recognizable birds in North American backyards, flicker populations have declined by nearly 50% since 1966 — a sobering reminder that even familiar species need our attention. Tune in to learn all about this loud, lovable, ant-obsessed bird.Links of Interest
Wild Latitudes: Worldwide birding and nature tours.
5 April 2026, 7:00 am - 15 minutes 22 secondsRandom Bird Thursday: A Colorful, Dumpy Bird That Chills With Chimps
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.
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⚠️ 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. Accessible at www.xeno-canto.org/146919.
26 March 2026, 7:00 am - 52 minutes 46 secondsVagrancy: Why Some Birds End Up Far From Home
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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 species?
Along the way, the episode reveals how vagrancy connects to migration, ecology, and evolution in ways that are more important than they might first appear.
17 March 2026, 9:00 pm - 25 minutes 48 secondsRandom Bird Thursday: A Large Fat-eater from Patagonia
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.
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⚠️ 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)
5 March 2026, 8:00 pm - 1 hour 4 minutesCuckoos
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~~~
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 their distinctive zygodactyl feet and plumage variations to their innate, genetically-programmed vocalizations. The episode also highlights the famous behavior of brood parasitism—where some cuckoos leave their young to be raised by other species—as well as the physical adaptations that allow others to thrive as terrestrial sprinters or arboreal skulkers.Links of Interest
25 February 2026, 10:00 pm - 15 minutes 51 secondsRandom Bird Thursday: An Antisocial Bottom-Feeder from the Antipodes
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.
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⚠️ SPOILER ALERT!
The featured species in this episode is the Yellow-eyed Penguin (Megadyptes antipodes).
29 January 2026, 8:00 am - 37 minutes 19 secondsAvian Navigation: How Birds Find Their Way
👕 Bird Merch — Get yourself some bird shirts!
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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, highlighting a range of incredible adaptations. From internal biological clocks and genetic blueprints to the ability to "see" magnetic fields through quantum physics, the episode breaks down how birds interpret the world around them. Whether they are tracking the sun, the stars, or even atmospheric scents, birds take a multi-sensory approach to get from one place to another.
Finally, the episode examines the role of experience versus instinct, explaining how juvenile birds navigate their first solo journeys and how seasoned adults build complex mental maps of the planet.18 January 2026, 8:00 am - 16 minutes 10 secondsRandom Bird Thursday: A Fire-Loving Songbird Adorned with Black Oil Drops
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.
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⚠️ SPOILER ALERT!
The featured species in this episode is the Groundscraper Thrush (Turdus litsitsirupa)
Groundscraper Thrush sounds: Wikimedia file and Xeno Canto recording XC347146)
8 January 2026, 8:00 am - More Episodes? Get the App