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.

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 ...

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 ...

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 ...

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 ...

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 ...

Our planet now faces a global extinction crisis never witnessed by humankind. Scientists predict that more than 1 million species are on track for extinction in the coming decades. But there’s still ...

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 ...

Fossil fuels — coal, petroleum, and natural gas — are our main sources of energy, producing the vast majority of fuel, electricity, and heat used by people across the globe. In 2005 a whopping 86 ...

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 ...

Climate change is the single greatest threat we've ever faced — not only to human society but to the Earth's web of life. The Center's Climate Law Institute was founded to unite our programs in ...