The apex predators, restored to the park in 1995, appear to be keeping the local population of plant-eating elk in check, ...

The reintroduction of large carnivores has initiated a recovery process that had been shut down for decades,” says Painter in a statement.

JACKSON, Wyo. - Colleen Marzluff whistled to her ornithologist husband, John, as he was looking for a raven nest in a string of trees on the low southern flank of Yellowstone’s Bison Peak.

In a new study, a UC Berkeley-led team of biologists observed gray wolves near Yellowstone National Park traveling 20 ...

Gray wolves were reintroduced in Yellowstone National Park in 1995 to help control the numbers of elk that were eating young trees, and it is finally paying off for quaking aspen.

For the first time since the 1940s, new aspens have joined the forest canopy in Yellowstone National Park. Researchers say ...

YELLOWSTONE NATIONAL PARK, WYO. – Sitting in an old-growth spruce fir forest, Doug Smith says he can see first-hand the impact of reintroducing wolves on the larger ecosystem of Yellowstone ...

Yellowstone experts debunk viral claims of animals fleeing park due to a volcanic threat. The USGS and park rangers warn ...

BILLINGS, Mont. - After 25 years of inbreeding, Yellowstone National Park’s wolves are becoming more genetically similar, researchers have found. “They’re still a really healthy population,” said ...

YELLOWSTONE NATIONAL PARK, Wyo. — One of only three white wolves roaming Yellowstone National Park has been put down by park staff after it was found with severe injuries.

A wolf from the Wapiti Lake Pack surveys the scene near a roadside carcass on Feb. 20, 2021, in northern Yellowstone National Park, Wyoming. The park has resorted to aggressively hazing members of the ...