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 ...

Cougars and wolves are apex predators in Yellowstone. To survive, cougars have adapted to hunting different prey, decreasing ...

What do gray wolves, elephants, and parrotfish have in common? They're all keystone species, which means they have an ...

Scientists Warn Yellowstone Wolves Could Be Approaching a Crisis ...

New research published in Nature Scientific Reports reveals how gray wolves in Isle Royale National Park seasonally alter their habitat preferences to align with beavers’ habitat preferences, a shift ...

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 ...

The larger herbivore populations have made it difficult for forests to re-grow. Wolves have been a protected species on and ...

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 ...

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