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 ...

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 ...

Since 2007 the Center has been fighting the proposed Rosemont Mine, a massive open-pit copper mine planned for the beautiful Santa Rita Mountains in the Sky Islands region outside Tucson, Arizona. The ...

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 ...

The American pika — a small, herbivorous, conspicuously cute mammal related to rabbits and hares — is adapted to the cold climate in high-elevation boulder fields and alpine meadows in the mountains ...

DESCRIPTION: Roughly five feet in length, Mexican gray wolves generally weigh between 50 and 80 pounds. Their coats are buff, gray, and rust colored, often with distinguishing facial patterns. They ...

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 ...

Hydraulic fracturing, or fracking, is a method of oil and gas production that involves blasting huge amounts of water, mixed with sand and toxic chemicals, under high pressure deep into the earth.

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, ...

The BP Deepwater Horizon catastrophe in 2010 spilled 205.8 million gallons of oil and 225,000 tons of methane into the Gulf of Mexico. Only about 25 percent of the oil was recovered, leaving more than ...

DESCRIPTION: Ribbon seals are medium-sized pinnipeds, reaching an average length of 1.50 to 1.75 meters and an average weight of 55 kilograms, with males being larger than females. They have a broad ...

DESCRIPTION: Savannah elephants are the larger of the two African elephant species. They also have thicker, more curved tusks, more triangulated ears, and differently shaped skulls. Both elephant ...