About Birds Birds are vertebrate animals adapted for flight. Many can also run, jump, swim, and dive. Some, like penguins, have lost the ability to fly but retained their wings.

Birds are warm-blooded vertebrates (vertebrates have backbones) and are the only animals with feathers. Although all birds have wings, a few species can't fly.

Why is it a ‘dawn’ chorus? But why birds sing in the early morning is still “an open question,” says Mike Webster, an ornithologist at the Cornell Lab of Ornithology.

How do birds remain immune? Another enduring mystery is how the birds protect themselves from the deadly toxin they carry.

Learn about the dozens of species called birds of paradise. Discover the dramatic, brightly colored plumage that sets them apart from their peers.

Migratory birds have made their thousand-mile flights for millennia, but we are just now learning to map their mesmerizing journeys.

50 Birds, 50 States Barry the bald eagle soars from coast to coast to meet state birds and learn about their homes. Each episode is an animated rap music video focusing on the big cities, …

Scientists are researching how coots and other birds adapt to urban environments and whether that move is even a good thing.

Atlantic puffins are birds that live at sea most of their lives. They fly through the air like most birds, but they also "fly" through the water, using their wings as paddles.

Nine years ago, two men began an extraordinary quest: to be the first to find and document all 39 species of the legendary birds of paradise.