BirdNote Daily

Long, upward slopes called escarpments offer a good chance of seeing some of the many raptor species found in Belize. Shaped like a compact Red-tailed Hawk, White Hawks are white overall with black markings and scan the landscape for reptile prey. Bat Falcons have a darkly barred chest and cinnamon belly, and chase down swifts, dragonflies, and the bats that give them their name. Ornate Hawk-Eagles stand over two feet tall and are capable of catching monkeys.

More info and transcript at BirdNote.org. 

Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. 

BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

By August, many birds have just completed the intense rigors of nesting and raising young and now undergo a complete molt. Molt is a cyclic process of feather growth. As new feathers grow in, they push the old ones out. Why molt? Because feathers wear out. Songbirds that migrate long distances need to complete this process on a tight schedule, to be ready when it's time to strike out in September. You might not even recognize this American Goldfinch in its winter plumage. 

More info and transcript at BirdNote.org. 

Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. 

BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

In this episode of BirdNoir, the P.I. gets a call from Mrs. Pico, a friendly woman who always has homemade cookies ready for visitors. But someone’s playing a trick on her: knocking on the door and then disappearing! The P.I. suspects the culprit is a bird and helps Mrs. Pico narrow down the list of suspects. 

More info and transcript at BirdNote.org. 

Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. 

BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

Biologist Erick Greene has been taking blood samples from Osprey chicks in northwest Montana for years. Ospreys eat fish, so toxins in the water become concentrated in their bodies. Their blood offers a window into how pollution moves through the food chain. Finding high mercury levels in Osprey chicks helped Greene trace the toxin’s source.

Hear more about how Montana’s Ospreys are persisting despite pollution on the Threatened podcast.

The ‘Ua’u or Hawaiian Petrel is an endangered species once thought extinct or nearly so. But in recent decades, biologists have relocated some of their well-hidden nests — such as underneath the lava fields of Mauna Loa, an active volcano. Areas where the lava has long since cooled have deep tubes in which the ‘Ua’u can make their burrows. Despite their secretive burrows, the ‘Ua’u are still at risk of predators such as feral cats. A fence completed in 2016 keeps predators away from the petrel burrows, giving them a space to thrive.

More info and transcript at BirdNote.org. 

Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. 

BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

Many birds migrate at night, taking advantage of less turbulent conditions and cooler temperatures. But that also means that migrating birds  can get disoriented by bright lights and collide with a building. Julia Wang is the project leader for BirdCast, which provides forecasts for bird migration so that people know when they should keep their lights off. Turning off the lights during peak migration times can save birds and save energy at the same time.

More info and transcript at BirdNote.org. 

Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. 

BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

Crested Auklets are small seabirds that nest on remote cliffs in the Northern Pacific and the Bering Sea. But it’s their smell that really sets these birds apart. They smell like tangerines! Experiments show that females go for males that emit the strongest scents.

More info and transcript at BirdNote.org. 

Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. 

BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

A bird like the Whip-poor-will is a true night bird – feeding, and mating, and nesting in the dark. But for about a week each spring, male Yellow-breasted Chats also sing in the darkness as they call out to the arriving females — their potential mates. There are other night singers, too!

More info and transcript at BirdNote.org. 

Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. 

BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

Public radio station WYSO in Yellow Springs, Ohio, renovated a historic schoolhouse to move into. But there was a bird problem: the old chimney had to come down, and Chimney Swifts were known to nest in it. So the station decided to custom-build the swifts a new home: a Chimney Swift tower right on the front lawn. The builders worked quickly to finish the tower ahead of the Chimney Swift’s spring migration, and WYSO staff members played recordings of swift calls to help attract them to the new home.

More info and transcript at BirdNote.org. 

Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. 

BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

The ‘Alalā is a crow species that only lives on Hawai’i. In the 1990s, the species was on the verge of extinction. So biologists decided to raise ‘Alalā in captivity, aiming to release them once the captive population was big enough. But these intelligent birds have to learn many skills to survive in the wild, such as communication skills and avoiding predators. Several ‘Alalā were released and seemed to get the hang of avoiding hawks. These experienced birds returned to captivity and could help pass on their knowledge to the next generation.

More info and transcript at BirdNote.org. 

Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. 

BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.