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 ...

Unlike most marine mammals, sea otters are primarily insulated by fur, not blubber. In fact they have the densest fur in the animal kingdom. Sadly that thick, resplendent coat has also given otters ...

The Center has long pursued legal protections for Bering Sea wildlife and their habitat, including the North Pacific right whale, Kittlitz's murrelet, northern sea otter, and yellow-billed loon. But ...

More than half of the world's 19 penguin species are in danger of extinction — and eight of them live in New Zealand. Determined to save penguins from global warming and other threats, the Center ...

• Secured a seafood import ban to pressure Mexico to save critically endangered vaquita porpoises, with only around 10 individuals remaining. • Sought protection for leopards, giraffes, pangolins, ...

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 ...

DESCRIPTION: Arctic foxes are well adapted to the cold: They are small and stout compared to other foxes; their short snouts, stubby legs, and little, curled ears help to minimize heat loss. Thick fur ...

The northern long-eared bat — distinguishable from its close relatives, as one might presume, by its long ears — is a small bat associated with mature, interior forest environments. Unlike most other ...

The variability among living organisms on the earth, including the variability within and between species and within and between ecosystems. Biological diversity, often shortened to biodiversity, is ...

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 ...

Native to the Gila River basin, the loach minnow and spikedace are adapted to the beautiful yet vulnerable ecology of southwestern desert rivers. These rare, pint-sized fish are just two of many river ...

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 ...