For arroyo toads, sand is de rigueur. Whether in a seasonal creek or during extended dry seasons, these toads endure harsh conditions by burrowing into sandy streamsides and sealing themselves within ...

A tiny, scaleless, freshwater fish, the highly endangered unarmored threespine stickleback is a fierce protector of its nest, which it defends by dashing forward with gaping mouth and “hackles” raised ...

DESCRIPTION: Sleek giants with blue and gray coloring, bluefin tuna are one of the largest fish in the ocean and can grow to weigh more than 1,000 pounds. Their bodies are muscular, and they have ...

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 ...

The Center for Biological Diversity was founded beneath the ancient ponderosa pines of New Mexico's Gila wilderness, where Kierán Suckling, Peter Galvin, and Todd Schulke met while surveying owls for ...

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 ...

Plastic accumulating in our oceans and on our beaches has become a global crisis. Billions of pounds of plastic can be found in swirling convergences that make up about 40 percent of the world's ocean ...

For generations, Nevada’s big-eyed, black-freckled Dixie Valley toad thrived in a small desert oasis, hidden from humans. But by the time scientists described it in 2017, the toad was already ...

DESCRIPTION: The eastern diamondback is the largest rattlesnake in the world. Adults are typically four to five feet long and weigh four to five pounds. A big snake may reach six feet in length 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 ...

The Center’s Population and Sustainability program addresses the impacts on wildlife and the environment that are caused by human population pressure and destructive consumption and production. We ...

The grizzly bear is so named because its hair is grizzled, or silver tipped, yet the name is commonly believed to be derived from “grisly,” meaning “horrible.” DESCRIPTION: A subspecies of brown bear, ...