U.S. Fish & Wildlife Service

The endangered Wyoming toad, already one of the rarest creatures in North America, is threatened by a disease that has devastated amphibian populations worldwide. Chytridiomycosis is a fungal disease that can decimate populations, and it has a tendency to disproportionately affect unique species like the Wyoming toad...

Hunters have killed two radio-collared wolves that roamed Grand Teton National Park, localizing a debate about the legal killing of "park" wolves used for research.

"Stop Shooting Wolves, You Maniacs." That's the message and title of an article published on Popular Science's website on Monday afternoon.

A coalition of environmental groups is suing the U.S. Fish and Wildlife Service over the agency's decision to end federal protections for wolves in Wyoming.

CHEYENNE, Wyo. (AP) — A coalition of environmental groups has filed notice that they intend to sue the U.S. Fish and Wildlife Service over the agency's decision to end federal protections for wolves in Wyoming.

DRIGGS, Idaho (AP) — A 3-year-old female grizzly bear was trapped and euthanized after being caught raiding garbage cans on the Idaho-Wyoming border.

This summer has been marked by a handful of grizzly bear incidents and the actions of one mother bear now leaves her two bear cubs orphaned and headed to the Cleveland Zoo. A female grizzly bear who had been getting into bird feeders, livestock feed and even damaged an outbuilding in the Shoshone River valley in northern Wyoming had to be euthanized, leaving the fate of her two bear cubs to zoo ke

An agreement appears to have been reached between state and federal officials over how to remove wolves from the Endangered Species List in Wyoming. Governor Matt Mead released on Wednesday that he and representatives from the U.S. Fish and Wildlife Service have finalized the elements of a proposed plan. The plan is meant to ensure a stable and sustainable population of wolves in Wyoming while sti