In 2020, a statewide voter-led initiative to introduce an experimental population of gray wolves into Colorado over several ...

On Prince of Wales Island, Alaska, gray wolves are doing something unexpected: hunting sea otters. This surprising dietary shift appears to have notable implications for both ecosystems and wolf ...

For the first time since their species was reintroduced in Colorado, a gray wolf has been tracked into Pueblo County.

In Yellowstone National Park — where gray wolves were reintroduced starting in 1995 — researchers have gone back and forth on whether the restoration of wolves has impacted the ecosystem. The idea is ...

ORR, Minn. – Wildlife researchers often focus on rates of survival and causes of mortality. Sometimes one animal serves to illustrate both. Within minutes of the start of a field expedition in ...

Add Yahoo as a preferred source to see more of our stories on Google. A veterinarian and biologist with the California Department of Fish and Wildlife monitor LAS23F, a gray wolf from the Beyem Seyo ...

DENVER (KDVR) — The death of a gray wolf during routine collaring operations in Routt County last month was caused by acute cardiogenic shock, according to a necropsy and mortality report released ...

Gray wolves adapt their diets as a result of climate change, eating harder foods such as bones to extract nutrition during warmer climates, new research has found. The study, led by the University of ...