Okay, but how do birds handle a heatwave?

E33. When the air temperature climbs past a bird's own body temperature, staying cool stops being free and starts to cost them water they may not have. Dr. Blair Wolf, University of New Mexico, has spent his career studying how desert birds survive heat that should kill them, and what happens when it finally gets too hot. In this episode you'll hear about: Why some backyard birds can shrug off oven-like temperatures while others just a few feet away don't make it The strange, water-saving trick birds use to dump heat without a single drop of sweat What the birds dying in these heatwaves are trying to tell us about what's coming All audio, video, and images in this episode are either original to Okay, But... Birds (© Okay Media, LLC) or used under license/permission from the respective rights holders. Bird media from the Macaulay Library is used courtesy of the Cornell Lab of Ornithology as follows: White-winged Dove audio contributed by Raphaël Nussbaumer, ML571978241 Verdin audio contributed by Bob McGuire, ML197163 Black-throated Sparrow audio contributed by James (Jim) Holmes, ML573935831 Black-throated Sparrow video contributed by Benjamin Clock, ML483211 Mourning Dove audio contributed by James (Jim) Holmes, ML583603101 Mourning Dove audio contributed by Anonymous, ML658417476 Palm Cockatoo audio contributed by Emma Greig, ML201266 Rosy-faced Lovebird audio contributed by Derek Solomon, ML168222 Common Eider audio contributed by Bob McGuire, ML235534

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Avsnitt(45)

Okay, but what's threatening the apex predators of the sky?

E44. An adult eagle has no natural predators, so why are birds of prey declining? Dr. Todd Katzner, a wildlife biologist with the U.S. Geological Survey, explains the surprising dangers facing golden ...

15 Okt 33min

Okay, but how terrifying were terror birds?

E43. For millions of years, South America’s top predators weren’t cats or bears. They were birds, some taller than a person. Paleontologist Dr. Federico "Dino" Degrange of the Universidad Nacional de ...

8 Okt 26min

Okay, but what happens when a bird gets sick?

E42. Birds get sick too, and a lot of what happens next looks surprisingly familiar. Dr. Andrea Townsend of Hamilton College has spent two decades following American crows through outbreaks, and she w...

1 Okt 33min

Okay, but griffins, and ligers, and birds, oh my!

E41. Centaurs, mermaids, minotaurs: we have been inventing creatures that are two things at once for as long as we have told stories. Birds do it for real. Dr. Glaucia Del-Rio of the Florida Museum of...

24 Sep 32min

Okay, but... cranes!

E40. There are only 15 crane species on the planet, and 11 of them are in trouble. Dr. Andy Caven, Director of Central Flyway Programs for the International Crane Foundation, has spent his career on t...

17 Sep 32min

Okay, but why does that bird look so rough?

E39. Every August the questions start: there is a cardinal at the feeder with no head feathers, and it looks terrible. Nothing is wrong with it. It is molting, which every bird does at least every yea...

10 Sep 31min

Okay, but what's up with feathers?

E38. You have pulled one out of a jacket sleeve at a bad angle, picked one up on a walk, and you are almost certainly within arm's reach of a few thousand of them right now. Dr. Cody Limber, who recen...

3 Sep 32min

Okay, but does age bring Wisdom?

E37. A bird called Wisdom was banded on Midway Atoll in 1956 and is still laying eggs today, which makes her at least 75 and the oldest known wild bird on the planet. She has also outlived the man who...

27 Aug 30min