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.

The unlikely comeback of America’s most endangered songbird Conservationists went to dramatic lengths to save the birds, including pumping boiling hot water into the ground to ward off fire ants.

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.

From the iconic emperor penguin to the Magellanic penguin, these striking photos capture the beauty of the aquatic birds.

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

Explore a family tree with more than 350 species. Learn more about these long-lived, intelligent, colorful birds.

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.

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.

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

Using an innovative approach that combined advanced technology, scientists developed a “robotic tutor,” a device capable of emitting the forgotten melody so that young birds could learn from it.