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.

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, …

Owls, ospreys, and more!Sea eagles have a pretty amazing way of fighting off intruders! Watch them whirl in this video.

New research estimates there are between 50 billion and 430 billion birds on Earth.

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.

Before descending to their nighttime roosts, the birds put on one of nature’s most spectacular displays.

The ostrich is the tallest and the heaviest of all birds. While the huge ostrich is a bird, it does not fly. Instead it runs. One stride can cover up to 16 feet (4.9 meters)—about the length of a mid …

Courtship for these monogamous birds also takes place in flight. Their mating ritual begins with a “fish flight,” which is when a male Arctic tern swoops over a migratory camp carrying a fish ...

The team expects to find more birds of paradise species in New Guinea's biodiverse forests, which are so isolated and remote that human development has not encroached greatly on the …

Indian peafowl are a species in a group of birds called pheasants. The males are called peacocks, while the females are called peahens. Together, they are peafowl. Peafowl are among the …