A new study finds free roaming bison in Yellowstone National Park are reshaping the ecosystem. They have had a positive effect on grasses and soil, but some changes may not be for the better. A couple ...

A federal judge has ordered the U.S. Fish and Wildlife Service to revisit part of its decision not to protect Yellowstone National Park’s bison as an endangered species. The Buffalo Field Campaign and ...

A bison on Antelope Island in Utah. There were once 60 million bison in North America. Today, just over 20,000 live in conservation herds in the U.S., according to the U.S. Fish and Wildlife Service.

Bison returns can spark recovery, but grasslands heal through soil seed, fire, movement, and shared stewardship measured in ...

Much like its iconic palm trees, California’s bison were brought out west 100 years ago by Hollywood producers filming westerns — but now on Catalina Island they’re dying off. What began as a herd of ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Distinguishing closely related animal species can sometimes ...

Add Yahoo as a preferred source to see more of our stories on Google. The American bison, or American buffalo as they are commonly called, were once close to extinction. Their numbers dropped from ...

On the Great Plains of North America, bison were hunted for thousands of years before populations collapsed to near ...