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 ...

Help support our cutting-edge work in the Population and Sustainability Program.

DESCRIPTION: Sea otters use their rear flippers to move and their flat, muscular tails to steer. They have an exceptional sense of smell, hearing, and eyesight above water and below. Lacking blubber, ...

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 ...

RANGE: The San Bernardino Mountains of Southern California; appears to be extirpated or near extirpated from the San Jacinto Mountains THREATS: Climate change; habitat changes due to dams and water ...

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 Miami tiger beetle — a diminutive, iridescent native of Florida — was first discovered and described in the 1930s. But after its discovery, it wasn't seen again for six decades, when it was found ...

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 pattern on its coat (“pelage”) and its lengthy eyelashes and legs.

2000 B.C. – Environmental problems from lead mines first documented 400 B.C. – Hippocrates accurately describes the symptoms of lead poisoning 476 A.D. – Roman Empire collapses; lead use in water ...

Stream channelization, dam construction, and impoundments change the water flow, temperature, and quality to which the Topeka shiner is specifically adapted. Dams also prevent shiners from migrating ...

The two-inch-long, “neotenic” Jollyville Plateau salamander retains gills for its entire life and spends all its time underwater, inhabiting springs, spring runs and wet caves fed by the Edwards ...

The grizzly bear is so named because its hair is grizzled, or silver tipped, yet the name is commonly believed to be derived from “grisly,” meaning “horrible.” DESCRIPTION: A subspecies of brown bear, ...