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When a Northern Saw-whet Owl spreads its wings, many birds can see something our human eyes can’t: the owl’s flight feathers glow with ultraviolet light. It’s invisible to humans without the help of a UV blacklight. While the glowing feathers on parrots might help them attract mates, the reason for the owls’ glowing feathers still isn’t clear. However, scientists realized that they could estimate an owl’s age based on the pattern of luminescent color on the wings, which changes predictably as birds grow and replace their feathers. 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. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Although the American Crow may seem indifferent about pillaging another bird's nest, they regard a threat to their own young as a punishable offense. To protect their nest, adult crows dive-bomb people, cats, other animals, and even other birds. Young crows fledge when they are around five or six weeks old, and their parents continue to care for them for months. 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. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Rosy-Finches are a family of alpine songbirds. Three species can be found in the US and Canada: Grey-Crowned Rosy-Finch, Black Rosy-Finch and Brown-capped Rosy-Finch (shown above). All wear pink on their bellies and wings. But spotting that namesake hue means trekking up some of the most rugged terrain on the continent. 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. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Author Christian Cooper is never not birding — even at the movies. For season 8 of the Bring Birds Back, Christian shares the story of a bird out of place in the 2006 film Apocalypto. Listen to the full episode about birds on screen here and in your favorite podcast app. 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. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Common Swifts in Europe nest in eaves and under roof tiles and gables. But modern construction doesn’t have these nooks and crannies, and populations of swifts have been declining. However, there’s a solution called the “swift brick,” a small nesting box that fits right into the wall of a house or office building. 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. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Immature Bald Eagles look so different from mature Bald Eagles that early ornithologists thought they were a different species entirely! Sitting about three feet tall, these majestic birds have wingspans of more than six feet. Stretch your arms as far as you can, and imagine a bird whose reach is even greater! 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. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

At this time of year, a very young male Bewick's Wren is beginning to learn how to sing. His father sings a crisp well-defined song, separated by pauses, but the young bird's song is fuzzy, unfocused, a little rambling. Each adult male Bewick's Wren has his own set of unique songs. A young wren grows up learning his father's songs. But when young bird matures and moves to its own new territory, it will leave behind the song of its father to create a song that sounds more like its new neighbors. The better to compete for a mate! 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. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Bird voices can vary tremendously. Learning to describe how a bird sounds will make it easier to figure out who’s singing. This episode shares a few common terms to start birding by ear. 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. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

Not all blackbirds are mostly black. This Baltimore Oriole is orange! The bird's common name is a nod to Sir George Calvert, First Lord of Baltimore, whose coat-of-arms carried a gold and black design. In spring and summer, you may see these orioles in the Midwest and eastern U.S., lighting up the trees where they nest. If you're lucky enough to live near Baltimore Orioles, entice them to your feeder with half an orange. 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. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

When waterfowl are in decline, hunters are some of the first people to sound the alarm — and fund their recovery. On the Bring Birds Back podcast, Ducks Unlimited project manager Jared Henson discusses the many ways that waterfowl hunters contribute both money and data towards wetland conservation. Learn more in season 8 of Bring Birds Back, available in your favorite podcast app! 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. Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.