In an unusually protracted oral argument, the three-judge panel of the U.S. Court of Appeals for the District of Columbia ...

Mountain West communities are split over the USFWS’ decision to manage isolated bear populations as one. But many agree that ...

In July, the Mount Rainier white-tailed ptarmigan was officially listed as threatened by the U.S. Fish and Wildlife Service ...

Congressmen reintroduce SPEAR Act, a bill intended to keep the lake sturgeon in Wisconsin from protections of the federal ...

President Trump has already begun to introduce changes that weaken the Endangered Species Act, a cornerstone of U.S. conservation law.

When a species is listed as threatened under the Endangered Species Act, or ESA, it receives various protections — what ...

Colorado Parks and Wildlife biologists were conducting a routine fish survey on the Colorado River when they made an ...

Scientists have long suspected that Mexican long-nosed bats migrate through southeastern Arizona, but without capturing and ...

This creature was once on the Endangered Species List, but thanks to conservation efforts of experts and landowners alike, a ...

The natural phenomenon of the iconic monarch butterflies migrating south for the winter is a fascinating one - and it's one ...

"Most of the species are plants," said Jesse Leddick, assistant director of Natural Heritage & Endangered Species Program in ...

The Colorado congresswoman has reintroduced a plan to remove federal protections for gray wolves across the lower 48 states.