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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...

Solar panels are a popular source of renewable energy, but large groupings of them — called arrays — can take up a lot of space. Chelse Prather, an ecologist at the University of Dayton, wanted to know how wildlife are using the habitats underneath two arrays in Ohio. The first site was a fixed array with panels that are locked in place. The second was a tracking array where panels tilt to follow the sun. Chelse and her students fo...

In this episode of BirdNoir, the Private Eye gets a call from his friend Frank, his eyes and ears in the neighborhood. He’s hearing a Red-shouldered Hawk call, but there’s no hawk in sight. Going through the lineup of usual suspects found in backyards, they examine the surprising talent for mimicry found among common birds and finally put the finger on the trickster.

More info and transcript at BirdNote.org.

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To out-sip their competition, Sword-billed Hummingbirds have a distinct adaptation: these birds’ beaks are longer than their bodies. Found in temperate forests from Venezuela to Bolivia, these hummingbirds rely entirely on tube-like flowers that other species could never reach. While most birds can use their tongues to clean their feathers, the Sword-billed Hummingbird’s long beak gets in the way – so they use their legs to scratch...

Male birds are often the larger, flashier sex that courts choosy females, who in turn raise their chicks. But not always. Female phalaropes -- like this Wilson's Phalarope — challenge each other over territories in which to house a cluster of males half their size. And the males do all the childcare. Other stay-at-home dads include most of the ratites, like ostriches and emus, as well as several species of jacanas.

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Connecticut Warblers nest in the northern boreal forests, migrate through the Midwest, and winter in the rainforests of South America. Even with all that traveling, you rarely see one of these birds. Though their loud, ringing song might be easy to identify, it often seems to emanate from low in a tree when the warbler is perched high in the crown, frustrating birders from Canada to Brazil.

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Most baby birds are adorable little floofs — but not all of them. The tongue and palate of estrildid finch chicks are strangely spotted and ringed. They display these markings while they beg for food. Most species’ chicks have mouth markings in colors ranging from black or white to bright yellow, orange, red or blue. The function of these markings has long puzzled scientists.

More info and transcript at BirdNote.org.

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Grammy-winning musician Rickie Lee Jones has performed on stages around the world. At home in New Orleans, she found a new audience: backyard birds! Rickie welcomes wildlife to her yard with feeders and bird baths. She loves watching her feathered friends and learning their calls. You can help songbirds at home by keeping feeders clean, growing native plants, and turning off outdoor lights at night. You can even show your appreciat...

When you go birding, sometimes you’re in the right place at the right time and there are more species than you can count. Other times, not so lucky. Striking out when looking for birds is frustrating. But a bad day of birding can teach you a lot. Try doing some research into the conditions that day and talking to people that know about birds in your area – they’ll probably commiserate with their own stories about striking out.

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The catchy name “Jackdaw” belongs to a European bird that looks like a compact crow drawn in shades of light and dark gray. They are comfortable around people, which helps explain their place in folklore. Some cultures saw the Jackdaw as a predictor of rain, others as a savior of crops. Or possibly an omen of death. They flourish in urban landscapes, making them familiar to many people.

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The amazing vocal organ found in most birds, the syrinx, has two sides, with different sets of muscles and nerves controlling each side.  That lets some songbirds sing two separate melodies at the same time. The Veery, a species of Thrush, can even sing a rising melody and a falling melody simultaneously with the two halves of the syrinx!

More info and transcript at BirdNote.org.

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Some of Hollywood’s most iconic beasts owe their signature sounds to the squawks, tweets, and even hisses of birds.

More info and transcript at BirdNote.org.

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The American Robin and the Baltimore Oriole both have cheery, upbeat songs. At first, you might think there’s no way to tell these two singers apart. But there are a couple of differences. American Robins usually have a longer song, while Baltimore Orioles usually stop after a phrase or two. Plus, Baltimore Orioles sound sweeter and more melodic than American Robins, who can come across a little screechy at times.

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Scientists have long thought that new species took a very long time to emerge. This thinking has now changed dramatically. On an island in the Galápagos, researchers Rosemary and Peter Grant discovered that a hybrid union of two distinct species of finch produced descendants different from any of the island’s known species — and the speciation happened in just two generations.

More info and transcript at BirdNote.org.

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Whistling as they fly, Black-bellied Whistling-Ducks are gorgeous waterfowl with bright pink bills and legs, chestnut necks and backs, and black underparts. Though most whistling-ducks live in the tropics, Black-bellied Whistling-Ducks are found in the U.S. along the western Gulf Coast and Florida. But they’re expanding their range and have been spotted nesting as far north as Wisconsin.

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The Bearded Reedling is a wetland songbird that’s enjoying a boom in both population and popularity. Barely larger than a chickadee, the male reedlings are often photographed with their feathers puffed out to near spherical proportions, earning them the nickname of “the roundest bird in the world”. Reedlings breed across much of Europe and central Asia. But in the United Kingdom — where they’re called Bearded Tits — the little bird...

Any hobby or special interest has its own jargon. You’ll pick up on the silly slang that birders use as you go – like calling the Yellow-rumped Warbler, “butterbutt.” Still, learning a few basics of bird vocab is useful when you’re starting out. It’ll help you ask better questions when you’re confused. Check out the opening pages of a bird field guide for general info about what to call the different parts of a bird, basics on bird...

Gulls are notorious for snatching french fries from waste bins and flocking to landfills. But one Western Gull’s devotion to trash reached a new level with an 80-mile road trip aboard a waste transfer truck in California. The gull may have gotten trapped in the truck unintentionally, but it delivered her to 216-acres composting facility. And shortly after returning to her colony, she repeated her trek! It’s the first time scientist...

Birds have always been a source of inspiration for writers. Edgar Allen Poe, Maya Angelou, and William Shakespeare, to name a few, have all written about birds. But what is it about them that so captures our literary imagination? Words in Flight is an hour-long celebration of contemporary poetry about birds, and what they teach us about ourselves and our world.

More info and transcript at BirdNote.org.

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