Birds

While the cheetah is the fastest land animal in the world, the peregrine falcon, a large predatory raptor, is by far the fastest bird on planet Earth.

By Wendy Bowman

Biochemically like a heron and anatomically similar to a pelican, the shoebill stork has been called "Monsterface" and even "Death Pelican." But wait until you hear the staccato rat-a-tat-tat of its booming machine-gun call.

By Carrie Tatro & Zach Taras

Generations of cereal eaters grew up sharing the breakfast table with Toucan Sam, famous for following his long, colorful nose - but what's that bill for besides hawking cereal?

By Jesslyn Shields

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

By Wendy Bowman & Marie Look

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

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

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

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

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, Nicole Antonio & Sascha Bos

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

By John Donovan

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

By Jesslyn Shields

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

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

By Loraine Fick

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

By Jesslyn Shields

With the fall migration season for birds just around the corner, we took another look at how to prevent birds from colliding with windows.

By Kristen Hall-Geisler

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

By Jesslyn Shields

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

By Mark Mancini

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

By Mark Mancini

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

By Alia Hoyt & Talon Homer

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

Does your parakeet understand the cardinal chirping outside its window? Can a pigeon's noises mean anything to a crow? Yes, it can.

By Mark Mancini

Thanks to new technology, researchers have discovered that the common swift flies 10 months a year without landing, setting a world record for uninterrupted time aloft.

By Jesslyn Shields & Mack Hayden

Ruby-throated hummingbirds migrate annually from the U.S. all the way to Central America. How often would one need to stop? A new study reveals amazing abilities.

By Christopher Hassiotis & Zach Taras

When a friend decides to ignore their problems, you might liken them to an ostrich. But ostriches are much more likely to face a problem head-on than hide it in the sand.

By Bambi Turner

Nature can be a pretty cruel place. Out in the wild, it's either kill or be killed. But in the spirit of self-preservation, will a mama bird really abandon its young at the slightest sign of human interference? Let's check the facts.

By Kate Kershner