This 2-foot-long, black-masked member of the weasel family once occurred in central grasslands and basins from southern Canada to Texas but is now one of the most endangered mammals in North America.

Plastic bags start out as fossil fuels and end up as deadly waste in landfills and the ocean. Birds often mistake shredded plastic bags for food, filling their stomachs with toxic debris. For hungry ...

Bendire’s thrashers are songbirds native to the arid lands of the southwestern United States and northwest Mexico. These secretive animals spend much of their time foraging on the ground, often run ...

Like polar bears on the opposite pole, emperor penguins endure unfathomable hardships to breed and nurture each new generation — fasting for months through the planet's harshest winter. If their ...

WASHINGTON— In response to a petition from the Center for Biological Diversity, the U.S. Fish and Wildlife Service today announced that Africa’s elephants may qualify for “endangered” status under the ...

LAS VEGAS— A Nevada state court judge today granted the Center for Biological Diversity’s motion to challenge a lawsuit filed by rancher Cliven Bundy, who wants to seize more than 58 million acres of ...

GRAND CANYON NATIONAL PARK, Ariz.— For the first time since the 1940s, a gray wolf is roaming the North Rim of the Grand Canyon. The wolf, which is wearing an inactive radio collar, is likely a gray ...

BOISE, Idaho— Five conservation groups filed a lawsuit in federal court today challenging the U.S. Department of Agriculture’s Wildlife Services’ killing of gray wolves in Idaho. The agency killed at ...

IMPERIAL VALLEY, Calif.— New surveys show a 27-percent drop in the number of breeding burrowing owls in California’s Imperial Valley and provide some of the most striking evidence yet that the species ...

SILVER CITY, N.M.— Just two weeks after a legal challenge by the Center for Biological Diversity, the U.S. Fish and Wildlife Service has rescinded a permit it had granted itself and other federal and ...

LONDON (Reuters) - The world is running out of time to make sure there is enough food, water and energy to meet the needs of a rapidly growing population and to avoid sending up to 3 billion people ...

ST. PETERSBURG, Fla.— Following a 2011 agreement with the Center for Biological Diversity, the U.S. Fish and Wildlife Service proposed Endangered Species Act protection today for the Florida bristle ...