"It is remarkable, even among this active genus, for the agility with which it speeds along the rocks and ledges of its native haunts." — S. G. Goodrich, 1885

Argali

"It is remarkable, even among this active genus, for the agility with which it speeds along the rocks…

The bighorn is a wild sheep of the Rocky Mountains known to frequent the craggiest of rocks.

Bighorn Sheep

The bighorn is a wild sheep of the Rocky Mountains known to frequent the craggiest of rocks.

The Rocky Mountain Sheep is much larger than the domestic sheep, (Smiley, 1839).

Mountain Sheep

The Rocky Mountain Sheep is much larger than the domestic sheep, (Smiley, 1839).