A White-necked Jacobin chick may use mimicry or camouflage to avoid predators, resembling a caterpillar with fluffy feathers.

Biologists have long debated why some plants and animals can adjust to a wide range of climates, while others can't.

The Guam kingfisher is no longer found in Guam, but thanks to the help of a handful of zoos, including Cincinnati's, there's ...