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Read a statement from 30 scientists, doctors and public-health experts from Harvard, Cornell, Rutgers and other universities about the "overwhelming evidence for the toxic effects of lead in humans ...

The rare dancing grouse of the Southwest, called the lesser prairie chicken, is known for the males' elaborate calls and showy displays of reddish-orange air sacs while they perform mating dances on ...

The northern long-eared bat — distinguishable from its close relatives, as one might presume, by its long ears — is a small bat associated with mature, interior forest environments. Unlike most other ...

In the forests of the Southwest, small trees dominate and comprise the vast majority of the fire risk to communities and the forest — in fact, approximately 90 percent of Southwest forest trees are ...

Critical habitat is key to the survival of endangered species. In fact, a study by the Center found, plants and animals with federally protected critical habitat are more than twice as likely to be ...

DESCRIPTION: Loggerhead sea turtles are named for their large heads, which contain powerful jaws and a thick beak. An adult loggerhead's top shell is slightly heart-shaped with a reddish-brown color; ...

Every year, more than 340,000 people visit the Barton Springs swimming hole in Austin, Texas. Few swimmers realize they're taking a dip in the home of one of North America's most endangered species — ...

Gentle and playful marine mammals, Florida manatees have come to represent the amazing biodiversity of Florida. With their large size, slow-moving nature, and fondness of seagrass, it's easy to see ...

Did your childhood include swallowtail and monarch butterflies fluttering through your neighborhood? Caterpillars chewing backyard leaves? Warm summer nights with fireflies blinking in the bushes? The ...

Thanks to their sand-colored plumage and stop-and-go dashes across dunes, piping plovers are usually identified by their bell-like whistles before they're seen. But these birds' camouflage techniques ...

Synthetic phosphate fertilizer poses a serious threat to our environment. Phosphate rock mining, along with the inorganic fertilizers and animal feed supplements and pesticides for which phosphate is ...