The great grasslands valley of the Little Bighorn River, near Billings, Montana, USA

Bighorn Lake, Bighorn Canyon National Recreation Area, Wyoming, United States of America, North America

Agricultural landscape, in the valley of the Little Bighorn River, near Billings, Montana, United States of America, North America

A person netting trout on the Bighorn River in Montana.

Bighorn Sheep ram (Ovis canadensis) performs lip curl (flehmen display) in the North Fork of the Shoshone River valley near Yellowstone National Park; Wyoming, United States of America

Bighorn Sheep ram (Ovis canadensis) courts a pair of ewes during the rut in the North Fork of the Shoshone River valley near Yellowstone National Park; Wyoming, United States of America

Bighorn Sheep ram (Ovis canadensis) approaches through a sagebrush meadow on a snowy day in the North Fork of the Shoshone River valley near Yellowstone National Park; Wyoming, United States of America

View of Bighorn Canyon from Devil Canyon Overlook, Bighorn Canyon National Recreation Area, Montana, United States of America

Ice on the North Saskatchewan River, Kootenay Plains, Bighorn Wildlands, Alberta