The largest of the true foxes, red foxes are also the most widespread, found across the entire northern hemisphere. But secretive Sierra Nevada red foxes — genetically and geographically distinct from ...

Wolves were once common along the West Coast, from the Olympic Peninsula of Washington state through Oregon to the far reaches of Southern California. As keystone predators wolves are vital for ...

Three vital provisions give the Act its teeth. It’s “citizen-suit” provision lets public-interest groups and individuals petition and sue sluggish federal agencies to make sure the Act protects ...

Hellbenders may not be pretty to everyone, but these strictly aquatic salamanders are as interesting as their awesome name implies — and they grow up to 2 feet long and sometimes top 4 pounds, making ...

At the Center for Biological Diversity, we use path-breaking law, organizing and creative media to demand swift and just action from the federal government that reins in climate pollution from the ...

DESCRIPTION: The Alameda whipsnake is a slender snake that generally grows to be three or four feet in length, with a narrow neck, broad head, and large eyes. Its body is sooty black or dark brown ...

Having collected the most recent census data from state and federal bald-eagle managers in each of the lower 48 states and the District of Columbia, the Center for Biological Diversity has determined ...

Snake-killing contests, aka rattlesnake roundups, are contests calling for hunters to bring in as many snakes as they can catch in a year — and then slaughter them. Some snakes' bodies are sold for ...

DESCRIPTION: The relict leopard frog is a small, spotted frog with an adult body length of 1.75 to 3.5 inches. The dorsal color is brown, gray, or greenish with greenish-brown spots. A glandular dorso ...

The first species ever to be emergency-listed as an endangered species in Canada, the Oregon spotted frog was on the U.S. candidate list for 23 years before it federal protection in the United States.

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 ...

Hellbenders may not be pretty to everyone, but these strictly aquatic salamanders are as interesting as their awesome name implies — and they grow up to 2 feet long and sometimes top 4 pounds, making ...