Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in the Yellowstone ecosystem.

Colorado Parks and Wildlife could lose authority over the reintroduction of gray wolves in the state, according to a warning ...

Facing the prospect of a pause in additional wolves, wolf advocates say Colorado should add new protections for its existing ...

This is the second story in a two-part series recapping Colorado’s second year of wolf reintroduction.  When Coloradans narrowly passed a ballot measure to reintroduce gray wolves — and help producers ...

Colorado was preparing to fly in as many as 15 gray wolves from Canada when a letter from the Trump administration arrived ...

Colorado passed a wolf reintroduction plan in November 2020, and 10 wolves were reintroduced into the state in December 2023. Opponents are now trying to stop this reintroduction plan, the Denver Post ...

The federal agency supported Colorado sourcing wolves from British Columbia in 2025, despite Fish and Wildlife director ...

A Coloradoan open records request showed the U.S. Fish and Wildlife Service will assume wolf management from Colorado if ...

WALDEN, Colo. — Many would agree that saving endangered animals is important, but that mission gets complicated when the endangered animals are predators. The gray wolf once roamed across nearly two ...

Colorado released a group of 15 wolves captured in British Columbia in January 2025. By bringing wolves across the Canadian ...

Colorado voters’ opinions on wolf reintroduction in the state haven’t changed much since the effort was narrowly approved in a 2020 ballot measure, according to the results of a 2025 voter opinion ...