Reaching up to 800 pounds and 8 feet tall when standing, grizzly bears boast tremendous size and physical strength and have almost no natural enemies. Or just one — humans. But we’ve proved formidable ...

The smallest gray wolf subspecies in North America, the Mexican gray wolf is also one of the rarest and most imperiled mammals on the continent. The U.S. Fish and Wildlife Service (and its predecessor ...

DESCRIPTION: Humphead wrasse are enormous reef fish, having been measured as long as seven feet and weighing up to 420 pounds. The wrasse has thick, full lips and a forehead hump that becomes more ...

After Hurricane Andrew ripped through South Florida in 1992, the already-scarce Miami blue butterfly almost went extinct: No one recorded a single sighting for years. Finally, in 1999, a cheer went up ...

Gentle and playful marine mammals, Florida manatees have come to represent the amazing biodiversity of Florida. With their large size, slow-moving nature, and fondness of seagrass, it's easy to see ...

Salmon populations on the U.S. East and West coasts have been devastated by dams, logging and bad forest management, overfishing, and industrial agriculture's water demands. On the East Coast, ...

A program known as “Wildlife Services,” a unit of the U.S. Department of Agriculture, has long operated secretively for a reason: Its actions are incredibly brutal and inhumane to animals, from ...

For every county in the United States, the map below shows information on all the animals and plants protected under the U.S. Endangered Species Act as threatened or endangered. To see the number of ...

The Sonoyta mud turtle has evolved as an aquatic species in one of the driest parts of the Sonoran Desert. With webbed feet and an innate ability to swim, this turtle depends heavily on what little ...

Just as nature inspires art, art inspires actions to defend wild places and the wild creatures that live in them. With this in mind, the Center for Biological Diversity's Endangered Species Mural ...

The northern long-eared bat — distinguishable from its close relatives, as one might presume, by its long ears — is a small bat associated with mature, interior forest environments. Unlike most other ...