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 ...

The scientific name Phocoena is from the Latin word “porpoise” or “pig fish.” Sinus means “cavity,” a reference to the Gulf of California. Put together, Phocoena sinus is the “porpoise of the Gulf of ...

When a Chiricahua leopard frog wants attention, it snores — at least, its distinctive call sounds like a snore. But the sound of snoring around desert streams, springs and even stock tanks is a lot ...

Wolverines, the largest land-dwelling species in the mustelid family, are famous for their daring and tenacity — they've been known to prey on animals as big as moose, and many stories tell of ...

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 ...

DESCRIPTION: A type of puma, the Florida panther is generally rust-colored on its back, tawny on its sides, and pale gray underneath. Adult males weigh an average of 116 pounds and females 75 pounds.

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: Loggerhead sea turtles are named for their large heads, which contain powerful jaws and a thick beak. An adult loggerhead's top shell is slightly heart-shaped with a reddish-brown color; ...

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 ...

Once declared by Aristotle to be “the intestines of the earth,” earthworms have been recognized for centuries as essential to the health of our planet's soil. But one of the most interesting ...

The word jaguar comes from the South American Tupi and Guarani languages. A likely origin is the word yaguareté, meaning “true, fierce beast.” DESCRIPTION: The largest cat native to North America and ...

An analysis of oil and gas pipeline safety in the United States reveals a troubling history of spills, contamination, injuries and deaths. This time-lapse video shows pipeline incidents from 1986 to ...