BirdNote Daily

Every summer, puffins — like this Horned Puffin — grow blazingly colorful layers over the bases of their huge beaks. But in the winter, puffins lead very different lives, and they shed their bright ornamentation. Puffins in winter are largely solitary — and silent. They spend about seven months alone at sea, before returning once again to their colonies to breed.

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Crane Hawks of Central and South America and African Harrier-Hawks both have legs that bend forward and backward. Each bird’s wonderfully peculiar leg adaptation is completely original — it evolved all on its own — even though the end result is the same. It's a fascinating example of a phenomenon called convergent evolution.

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Biodiversity conservationist Lily-Arison Rene de Roland works with some of the rarest birds in the world. He’s the Madagascar program director for the Peregrine Fund, a non-profit conservation organization that protects imperiled birds of prey like the Madagascar Fish-Eagle. These large raptors only eat fish, which means they rely on the same diminishing wetlands and natural resources as some fishing communities. In this episode, L...

Common Potoos are champions of camouflage. In the daytime these nocturnal creatures perch perfectly still on branches: heads pointed upward, bodies outstretched, and eyes closed down to tiny slits. It’s hard to tell where the branch ends and the bird’s body begins — which helps them avoid predators. They’re birds more often heard than seen; with a melodious but mournful song, made at dawn, dusk and by the light of the moon. The son...

Gyrfalcons are circumpolar, nesting in the far north of Asia, North America, and Europe, including Iceland and Greenland. They evolved as a distinct species in the Pleistocene Era, around 100,000 years ago. Their large size and warm feathering gave them an edge for nesting high in the Arctic. Gyrfalcons reuse the same nesting site year after year, and some nests have been occupied for 2,500 years!

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Walk into the visitor center at the Cornell Lab of Ornithology and you’ll be greeted by a massive mural called the Wall of Birds. About the size of a tennis court, the mural shows a map of the world covered in 270 life-sized portraits of birds and their relatives — ranging in size from the 30-foot-long, feathered dinosaur Yutyrranus hauli to the tiny Marvelous Spatuletail hummingbird. Artist and scientific illustrator Jane Kim part...

It’s early morning in Costa Rica. Tiny bats nestle in a tree after a night on the wing. A Great Kiskadee calls. Gray-capped Flycatchers sally forth from willow-like shrubs to catch insects in mid-air. White Ibis forage at the water's edge. Deep in a thicket, Black-hooded Antshrikes call. By noon, Chestnut-mandibled Toucans will shift lazily from one tree to another. In the evening, the sounds of cicadas give way to the sounds of cr...

Pigeon Pose. Crow Pose. Eagle pose. Bird of paradise. Writer Trisha Mukherjee, who is also a yoga teacher, discusses the connections these bird-inspired yoga poses have with Hindu mythology and philosophy.

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From an early age, urban ornithologist Murry Burgess loved to draw and tell stories – and that passion stayed with her as her love for birds grew as well. The joy Murry found in both art and science inspired her to write the children’s book Sparrow Loves Birds. The story follows the adventures of a curious 5-year-old girl named Sparrow as she meets her neighborhood birds. The book includes a field guide so that birders of all ages ...

Ray Young Bear is a writer, musician and a member of Meskwaki Nation. He considers himself a word collector, writing poetry in both English and Meskwaki, his first language. And he enjoys taking photos of the birds around his home in Iowa. In the spring of 2021, he was spending time with his grandson, Ozzy Young Bear. He composed a song in Meskwaki about how his grandson enjoyed watching the robins hunt for earthworms. He later rec...

The way that some birds flick, wag, or flare their tails can be distinctive. A flicking or flashing tail might suggest to a predator that a bird is particularly alert or hard to catch, while also warning others in the flock of danger. Tail flicking can also help flush out prey. A Hooded Warbler — or a Song Sparrow, like this one — may flare its tail while foraging low to the ground to cause insects to jump, making them easier prey.

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The Whooping Crane is the tallest flying bird in North America. These huge white cranes with a black mask and a splash of red on the crown came perilously close to extinction. By the 1940s, just 15 individuals remained in the wild. Decades of conservation efforts – both kooky and conventional – have helped their number grow to nearly 800. Today, the only self-sustaining wild flock migrates between Canada and Texas, while other popu...

Black Scoters are sea ducks that spend the winter on saltwater bays. They are large, strong ducks and buoyant swimmers with a habit of cocking their tails upward. Black Scoters nest each summer on freshwater tundra ponds. Each fall, they can be found on bays all across the Northern Hemisphere. An unmistakable clue to their presence? Their mysterious, musical wail.

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Bird feeders full of seeds or suet can spark nonstop action. Chickadees flitter in and out. Finches expertly crack one seed after another, while jays, doves, woodpeckers and sparrows all join the flurry. This might bring to mind a neighborly picnic — but it’s not quite as friendly. At any given moment, there’s a distinct hierarchy in effect. More dominant birds are usually able to displace lower-ranking birds. But not always! The n...

A parrot’s eyes are located on the sides of its head. So, if it wants to look at something — say, a delicious piece of fruit — it has to cock its head one way or the other do it. And if it looks with its left eye, then it uses its left foot. Scientists call this handedness. That’s when one hand or foot is used consistently over the other for doing complex tasks. Sulphur-crested Cockatoos are almost all left-handed ... that is... le...

In spring and summer, Yellow Warblers sing from treetops to stream sides. While their beauty and songs commonly light up our most vibrant months, they face imminent challenges. Yellow Warbler populations have adapted genetically to their local climates. That makes them vulnerable to environmental shifts, which could cause the species to lose much of its breeding range in the U.S. by 2080.

A special thank you to artist Heidi Stavrevs...

Birder and author Christian Cooper says learning to identify bird calls feels like unlocking a sixth sense. Birding by ear is a skill that takes time to develop, but you’ll start to recognize patterns with practice. Christian says mnemonics are a great way to remember bird calls. Some birds have well-known mnemonics, like the “Oh sweet Canada Canada Canada” of the White-throated Sparrow. But if those don’t work for you, make up you...

Many birds that play do it alone by swinging, sliding, or rolling around. Some species interact with objects, like dropping a stone and picking it up again. But a select few birds – like these crows – play with other members of their species. Scientists call this social play. It appears to have implications for the evolution of brain size among birds as well as our own species.

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In one of the most iconic founding legends of the Americas, a Golden Eagle devouring a serpent atop a cactus marked the spot where the Mexicas would build Tenochtitlan, capital of the Aztec Empire. Over the centuries, that ancient metropolis transformed into what we now call Mexico City. Though the mythical eagle is now commemorated on the national flag of Mexico, real Golden Eagles need our help through conservation research and h...