The resilient mountain lion goes by many names: puma, cougar, panther, catamount and even “ghost cat.” Over the past century in California, it has survived habitat loss and government-sponsored ...

Known for their 6-foot-long necks, distinctive patterning and long eyelashes, giraffes have always captured the human imagination. These amazing African animals have the highest blood pressure among ...

The Clean Air Act has protected the air we breathe for four decades. By curbing air pollution it has saved many thousands of human lives and improved public health, all while saving money and ...

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The Center is taking a leadership role in applying law to the greatest environmental crisis of our time — an integrated approach to solving the climate crisis through global warming law. For years, we ...

The mountain yellow-legged frog was once the most abundant amphibian in Southern California's Sierra Nevada and Transverse Ranges. Just decades ago, it was hard to walk around many of California's ...

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 ...

Once among North America’s most widely distributed land mammals, gray wolves have also been among the most persecuted. State, local and private bounties and a federal extermination program nearly ...

DESCRIPTION: The Bay checkerspot is a medium-sized butterfly with a wingspan of a little more than two inches. The top surfaces of its wings have black bands along all the veins that sharply contrast ...

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 ...

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 ...

At the Center for Biological Diversity, we believe that the welfare of human beings is deeply linked to nature — to the existence in our world of a vast diversity of wild animals and plants. Because ...