The Science of Birds

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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.
Link to this episode on the Science of Birds website
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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)
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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
 Striped Cuckoo "jazz hands" foraging [VIDEO]
Link to this episode on the Science of Birds website
Birding Tours with Wild Latitudes
Check out our line-up of awesome tours in 2027! 
Support the show

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

👕 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, 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.
Link to this episode on the Science of Birds website
Birding Tours with Wild Latitudes
Check out our line-up of awesome tours in 2027! 
Support the show