In this episode, Ivan Phillipsen takes listeners on an immersive journey into the strange and secretive world of birds in the family Caprimulgidae. These cryptically colored, nocturnal birds include nightjars, nighthawks, poorwills, and whip-poor-wills. Ivan does a deep dive into the fascinating biology of this group—everything from their silent flight and frog-like gapes to their odd names and eerie calls.

Listeners will learn about the distinctive physical traits and behaviors that define caprimulgids, including their specialized eyes for low-light vision, aerial insect-hunting strategies, and bizarre mating displays involving wing claps and booming dives. Ivan also explores their global distribution, evolutionary history, and conservation status, while highlighting standout species like the Lyre-tailed Nightjar, the Common Poorwill, and the elusive—and possibly nonexistent—Nechisar Nightjar.

This deep dive into Caprimulgidae is packed with scientific insights and colorful storytelling. Whether it’s unpacking myths of goat-milking birds or playing spooky vocalizations from around the world, the episode celebrates the mystique and diversity of these birds that thrive in the twilight.

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Link to this episode on the Science of Birds website

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