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

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 ...

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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 U.S. Fish and Wildlife Service announced Wednesday that it had completed necropsies on two female wolves that died in the spring. Both were among the 15 wolves relocated to Colorado in January ...

Across North America, mountain lions, bears and gray wolves have made a remarkable comeback over the last 50 years. Once nearly exterminated, these animals have been recovering their populations and ...

The EU is trying to downgrade the protection status of wolves in Europe. Scientists say there are many ways to co-exist with these creatures that are vital for a healthy ecosystem. This next story ...

Gray wolves and cougars are not only iconic to the Yellowstone National Park landscape, but they also play important roles in the overall health of the ecosystem. With both being apex predators, ...

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 ...

Pleasant Island in Alaska is not exactly befitting of its name. The frigid, 20-square-mile island is uninhabited by humans, but it hosts a remarkably large and rich ecosystem that features deer, ...