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 ...

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 ...

SAVING THE ARROYO TOAD For arroyo toads, sand is de rigueur. Whether in a seasonal creek or during extended dry seasons, these toads endure harsh conditions by burrowing into sandy streamsides and ...

SAVING THE SONOYTA MUD TURTLE The Sonoyta mud turtle has evolved as an aquatic species in one of the driest parts of the Sonoran Desert. With webbed feet and an innate ability to swim, this turtle ...

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 ...

HALTING THE EXTINCTION CRISIS 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 ...

NATURAL HISTORY GRIZZLY BEAR } Ursus arctos horribilis FAMILY: Ursidae The grizzly bear is so named because its hair is grizzled, or silver tipped, but the name is commonly believed to be derived from ...

SAVING THE MONARCH BUTTERFLY Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars fold into ...

SAVE BLUEFIN TUNA A Remarkable Species Bluefin tuna are an ocean-going fish that grow up to 10 feet long and can weigh as much as 1,200 pounds. Unlike almost all fish, bluefin tuna are warm-blooded ...

NATURAL HISTORY FLORIDA PANTHER } Puma concolor coryi FAMILY: Felidae DESCRIPTION: A type of puma, the Florida panther is generally rust-colored on its back, tawny on its sides, and pale gray ...

NATURAL HISTORY GIRAFFE } Giraffa camelopardalis Family: Giraffidae Description: The tallest land mammal, with a neck as long as 6 feet, the giraffe is also well known for the unique brown and white ...

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 ...