Defenders in the Rocky Mountains and Great Plains

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Bison with calf, © Diana LeVasseur
In the Magazine
New plan may stop the annual slaughter of Yellowstone bison.
Fact Sheet
The wolf is the largest member of the canine family. Gray wolves range in color from grizzled gray or black to all-white. As the ancestor of the domestic dog, the gray wolf resembles German shepherds or malamutes.
Fact Sheet
Peregrine falcons are the fastest-flying birds in the world – they are able to dive at 200 miles per hour.