The U.S. Fish & Wildlife Service was able to take a Colorado cactus off the endangered species list after it was considered a ...

The Center for Biological Diversity has called on U.S. Fish and Wildlife to protect the Bendire's thrasher amid report on ...

The olive-colored minnow, which is less than 5 inches (12.7 centimeters) long, used to live in a half dozen springs in Fish ...

The Colorado hookless cactus has been removed from the endangered species list, thanks to conservation efforts now at risk of losing federal funding.

Nature is full of surprises, and hybrid animals are among its most fascinating and unexpected wonders. In this video, we dive into 100 of the rarest animal hybrids ever documented, showcasing both ...

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Grieve for the gravel chub. Mourn the mud sunfish. Say sayonara to the spoonhead sculpin. And pour one out for the lake chubsucker. Once native to New York, these four fish no longer live here ...

Massachusetts recognizes May 16 as Endangered Species Day, highlighting 453 endangered plants and animals. Eleven mammals are endangered, including six whale species and five bat species.

For years, the Endangered Species Act has been interpreted in a ... Take the saltmarsh sparrow, which is on the Massachusetts state endangered list, says Matthew Costa, a postdoctoral researcher ...

While a slimy species of giant salamander continues disappearing from mountain streams, conservationists hope endangered species protections can help the Eastern hellbender turn the tide toward ...