Scientists must journey to remote islands in the middle of the Bering Sea, braving uncertain conditions, to reach the ...

A hummingbird chick in Panama mimics a poisonous caterpillar to avoid predators—a rare case of bird-to-insect mimicry. When ...

Some birds have the most peculiar calls. Learn about the kākāpō parrot and the booming sound it makes during mating season.

An odd-looking creature seen only on trail cameras in Mississippi proved to be even more stunning when it finally crossed ...