Birds

Birds are often envied for their ability to fly, but not all of them can. Learn how birds can manipulate feathers, bone and wing structure to soar through the air and even dive-bomb into the water for food.

Topics to Explore

How Birds Get Berry, Berry Drunk

Watch a Chicken Grow and Hatch Without An Egg

There's a Stinky Reason Seabirds Eat Plastic

Why do geese mate for life?

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The Cassowary Is the World's Most Dangerous Bird

This exotic bird could seriously injure or kill a person or a dog in an instant with its deadly claws.

By Wendy Bowman May 14, 2020 Birds / Miscellaneous Birds

Why Birds of a Feather Mob Together

Bird mobs are not roving gangs of thug birds. But they are bands of birds coming together to harass bigger predators. And the behavior is loud and raucous.

By Kristen Hall-Geisler Apr 15, 2020 Birds / Perching Birds

Does a Pelican's Bill Hold More Than Its Belly Can?

When a half-full plate of dinner sits before you and your overstuffed tummy, have you ever been told your eyes are too big for your stomach? The pelican's got a similar problem.

By Shanna Freeman Birds / Miscellaneous Birds

Penguins: The Monogamous Tuxedoed Birds That 'Fly' Underwater

There are up to 26 species of penguins in the world, most of whom mate for life, and while none of them can fly, they swim like Olympic champs.

By Patty Rasmussen Dec 9, 2019 Birds / Waterfowl

Bald Eagles Aren't Really Bald, Plus 6 Other Facts

The national bird of the United States has taken on iconic status as the avian avatar of freedom, but its wingspan and steely gaze guarantee its status in the pecking order of prey birds as a symbol of strength.

By Patty Rasmussen Dec 5, 2019 Birds / Birds of Prey

The Harpy Eagle: Terrifying Apex Predator or Creepy Halloween Costume?

The largest eagle in the world has a claw the size of a grizzly bear's, a leg the size of a human's and a very disapproving gaze.

By Jesslyn Shields Oct 23, 2019 Birds / Birds of Prey

If a Peacock Loses His Tail Feathers, Do They Grow Back?

Whether used in fashion or complicated mating rituals, peacock feathers drive the ladies crazy. But, what happens when a peacock loses his last feather? Will he become a fashion-don't?

By Cristen Conger Birds / Fowl

Why Are We So Fascinated With Owls?

From ancient times until today, people have been captivated by these iconic, mysterious birds. What is it about owls that makes them the enduring subject of myth and superstition?

By Jesslyn Shields Oct 2, 2019 Birds / Birds of Prey

The Secrets and Science Behind Starling Murmurations

Starlings are short and thick, with dark feathers and long, pointy bills. Collectively, however, they transform into something else entirely.

By John Donovan Aug 9, 2019 Birds / Perching Birds

Where Did San Francisco's Wild Parrots Come From?

The parrots of the Telegraph Hill neighborhood of San Francisco are legendary, but how did they get there?

By Jesslyn Shields Jun 24, 2019 Birds / Miscellaneous Birds

Hummingbirds: What to Feed Them and a Springtime Q&A

There's a lot of conversation around what we should be feeding our backyard hummingbird visitors, so we threw the question, along with others, to an expert.

By Jamie Allen Apr 2, 2019 Birds / Miscellaneous Birds

Meet the World's Smallest, Toughest Owl

The smallest owls in the world have mad survival skills, like killing poisonous scorpions and playing dead.

By Loraine Fick Feb 12, 2019 Birds / Birds of Prey

Wisdom, the World's Oldest-known Bird, Lays Another Egg

Wisdom the Laysan albatross is pushing 70, but laid another egg this year.

By Jesslyn Shields Dec 21, 2018 Birds / Miscellaneous Birds

How Birds Get Berry, Berry Drunk

Berries are a great food source for birds, but this diet can backfire when the fruit starts to ferment.

By Jesslyn Shields Oct 15, 2018 Birds / Perching Birds

Only Birds Have a Syrinx and That's Why They Sing

Only birds have a special voice box — the syrinx — and it's what they use to sing. But what's so unique about the syrinx is that it's actually an evolutionary anomaly.

By Jesslyn Shields Oct 12, 2018 Birds / Perching Birds

Oh, Birds! Please Don't Fly Into Our Windows

Why do birds do that? A global citizen science project wants you to help them find out.

By Kristen Hall-Geisler Sep 25, 2018 Birds / Perching Birds

French Rooks Trained as Park Janitors

A French theme park has trained a crew of six rooks to pick up after its messy guests.

By Jesslyn Shields Aug 29, 2018 Birds / Miscellaneous Birds

Not All Birds Fly South for Winter: Partial Migration Is on the Rise

Partial migration — where some animals or birds in the same species migrate regularly and others don't — is more common than you'd think. But what explains that behavior?

By Mark Mancini Aug 13, 2018 Birds / Perching Birds

Swamp Sparrow: Singing the Same Tune for Generations

The American swamp sparrow has created an oral tradition that's lasted more than a millennium.

By Laurie L. Dove Jul 2, 2018 Birds / Perching Birds

Why Mockingbirds Mock

What benefit does one bird get from copying another bird's calls?

By Mark Mancini Jun 20, 2018 Birds / Perching Birds

American Crows and Ravens: What's the Difference?

It's easy to mistake a crow for a raven or vice versa. But the two birds are actually pretty different.

By Mark Mancini May 29, 2018 Birds / Perching Birds

What the Cluck? How a Hen Turned Into a Rooster

Spontaneous sex reversal in chickens is pretty rare, but it does happen. Find out how Miss Lucille became Mr. Lucille.

By Alia Hoyt May 23, 2018 Birds / Fowl

We Need to Know Why the Female Bird Sings

Most of the scientific attention to birdsong has been paid to the male of the species. But many female birds sing too — and scientists are starting to understand how important it is to study them as well.

By Alia Hoyt Mar 27, 2018 Birds / Perching Birds