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.

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

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 …

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 ...

Watch to discover interesting facts about animals from all over the world.

These flightless birds breed in the winter. After a courtship of several weeks, a female emperor penguin lays one single egg then leaves! Each penguin egg's father balances it on his feet and …

These graceful birds have been the national symbol of the United States since 1782. Bald eagles were on the brink of extinction because of hunting and pollution.

Get facts and photos of the U.S. states and territories, and the District of Columbia.

Looking across the assortment of birds featured here, you’ll notice that each species is vastly different from the others, either in color, shape, or feather arrangement.

Spending time in nature is important for your mental health. But studies show that even just listening to birds singing can ease symptoms of anxiety and depression.