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 ...

DESCRIPTION: Adult Hermes copper butterflies have a wingspan between one and 1.25 inches. Upperside forewings are brown with yellow, brown-spotted centers; upperside hindwings are also brown and have ...

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 ...

Federal wildlife officials reported that 1,144 sea turtles, 609 of which were dead, and 109 marine mammals (mostly dolphins, almost all of which had already died) were collected on or near the shore.

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 ...

Despite their dainty appearance, desert kit foxes are hardy animals, well adapted for living in the hot, harsh desert habitat from which they never stray. This cat-sized kit fox subspecies has long, ...

Dusky gopher frogs spend most of their lives underground, in burrows created by gopher tortoises — hence their name — and other animals. In the winter they migrate to temporary ponds to breed, and ...

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 ...

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 ...