Roads and development fragment habitat and constrain wildlife movement. Without incorporating habitat connectivity in our planning by preserving or creating linkages, we endanger the lives of both ...

PESTICIDES REDUCTION The country has learned a lot since Rachel Carson's 1962 book Silent Spring alerted us to the hazards of poisonous chemicals. But pesticide use still poses major threats to ...

SAVING MEXICAN GRAY WOLVES The smallest gray wolf subspecies in North America, Mexican gray wolves are also one of the rarest and most imperiled mammals on the continent. The U.S. Fish and Wildlife ...

Native Bees The United States has an amazing and diverse array of native bees. Across the country live about 4,000 native bee species — most of which are solitary and nest in the ground — coming in ...

SAVING THE SIERRA NEVADA RED FOX The largest of the true foxes, red foxes are also the most widespread, found across the entire northern hemisphere. But secretive Sierra Nevada red foxes — genetically ...

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 ...

White-nose Syndrome: Questions and Answers Why are bats dying in North America? An estimated 6.7 million bats have died since 2006 because of an outbreak of white-nose syndrome, a fast-moving disease ...

The measurement of biodiversity is complex and has a qualitative as well as a quantitative aspect. If a species is genetically unique — if, for instance, it's far out on a remote arm of the ...

Click on a point in the map below — then click on 'Show Related Records' — to get information on all the animals and plants protected under the Endangered Species Act as threatened or endangered found ...

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 ...

A Deadly Toll The Devastating Wildlife Effects of Deepwater Horizon — and the Next Catastrophic Oil Spill The BP Deepwater Horizon catastrophe in 2010 spilled 205.8 million gallons of oil and 225,000 ...

DESCRIPTION: Freshwater mussels are bivalve mollusks that have a two- valved hard shell, a soft body with respiratory, digestive and reproductive organs, and a muscular foot for locomotion, burrowing ...