Tag: Yellowstone

When Yellowstone grizzlies lost their threatened status last June, advocates for the bears feared they were too isolated to sustain their populations without federal protections. The grizzlies (Ursus arctos) are...

The status of grizzly bear populations under the Endangered Species Act is facing mounting legal arguments in the courts since August. There are five populations of grizzly bears in the...

Wolves tend to kill prey less often when bears are present, according to recent research. This is contrary to the previous assumption that wolves kill more often when bears are...

Yellowstone National Park has begun this winter’s bison cull, an annual event intended to help maintain an ecologically sustainable population of American bison (Bison bison) within the park and to...

On Monday, May 9, President Obama signed the National Bison Legacy Act into law, making the American bison (Bison bison bison) the first national mammal of the United States. Millions...

Last year, 59 grizzly bears (Ursus arctos) died in Yellowstone — the highest number of bear deaths in the region since 1970. Still, the impact may not be as large...

Conservationists often struggle to institute affordable wildlife recovery plans that actually work, fully aware that success stories aren’t always the rule. But a new study published in Conservation Letters shows...