Yellowstone National Park

Yellowstone grizzlies have made a dramatic comeback. Now what? Photo by James Anderson, National Wildlife Photo Contest

Fight Over Yellowstone Grizzlies

A generation ago, Yellowstone grizzlies seemed on a path toward extinction, with the number of bears in and around the park estimated at fewer than 200 and declining. Today, with …

To ensure the health of prairie ecosystems, we need to restore wild bison.

Wildlife that Depend on Wild Bison

When bison roam the prairie, multiple species benefit in surprising ways. Learn about some of the species that are better off with bison: Prairie dogs When bison graze, they leave behind …

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Five Places to Watch Wild Bison Roam

Few experiences are more awe-inspiring than seeing American bison in the wild. Bison are the largest land mammal in North America, weighing up to 2,000 pounds, and it is truly …

Bison in Yellowstone National Park. Photo donated by National Wildlife Photo Contest entrant Jerold Hale

The First National Park

Since 1936, the National Wildlife Federation has worked to conserve the nation’s wildlife and wild places. As part of our 80th anniversary celebration, we are recognizing important moments in our history …

Goldrunner sprints free on the Ft. Peck Reservation

Yellowstone Offers Rebirth of Bison on Tribal Lands

Yellowstone bison. Photo by Steve Woodruff

Yellowstone, Tribes Offer Bison a Better Future

Bison. Photo donated by National Wildlife Photo Contest entrant Esther Gonzalez

Restoring Our National Mammal: Wild Bison in Yellowstone

Photo by National Wildlife Photo Contest entrant Pat Roque.

Grizzly Bears: Two Truths and a Myth

How much do you know about grizzly bears? Test your knowledge! Below are two truths and one myth about grizzly bears, and it’s up to you to guess which one …

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Charting a New Path for Yellowstone’s Bison

Yellowstone’s bison have faced more hardship and controversy than nearly any other large mammal in America. In the early 20th century, bison were nearly slaughtered to extinction by commercial hunters. The …

Big horn sheep. Photo by Steve Woodruff

U.S. Sheep Station in Conflict with Wildlife

Yellowstone National Park and the surrounding national forests and wilderness areas of central Idaho are some of the nation’s wildest country. Two of the greatest wildlife habitats in this region …

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