Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... What is the legacy of Yellowstone wolves 30 years after ...

The restoration of gray wolves in Yellowstone National Park has helped revive an aspen tree population unique to the region, a new study has found. Quaking aspen, one of the few deciduous tree species ...

Champagne flowed early as a large crowd gathered for the annual champagne toast to open the 34th annual Hot Springs ...

After they were captured in Canada, the wolves released in Yellowstone National Park initially stayed in acclimation pens, like this wolf pictured in the Crystal Creek pen on Jan. 26, 1996. (Photo ...

Johnnie LeFaiver took her son to the Lamar Valley in Yellowstone National Park this summer, because the experience of watching wolves there 20 years ago seared into her memory and she wanted Micah to ...

A 20-year study on the effects of reintroducing wolves into Yellowstone National Park found that removing the apex predators has caused far more damage than expected to the park's ecosystem. Colorado ...

Seven others died inside Yellowstone and one on the Wind River Reservation. Wolf populations in Yellowstone National Park have leveled off after steadily climbing following reintroduction. That’s ...

In 1995, 14 wolves were relocated to Yellowstone National Park from an area near Jasper National Park in Alberta, Canada. These 14 wolves became the first to roam Yellowstone in seventy years since ...

Since voters approved the reintroduction of gray wolves in Colorado in 2023, it's led to a firestorm of controversy. In addition to wolves killing livestock, the program itself has cost taxpayers $3.5 ...

Colorado Parks and Wildlife told an interim legislative committee it has spent about $3 million to relocate 30 wolves to the state over the last two years. That's more than double what voters were ...

For the first time in 24 years Yellowstone National Park’s wolf project staff found no evidence in 2018 of wolves killing each other. That’s unusual since such wolf-on-wolf deaths are the leading ...