Line art drawing of an Bighorn.
Date
Author Pearson Scott Foresman Source: https://commons.wikimedia.org/wiki/File:Bighorn_(PSF).png

The bighorn sheep (Ovis canadensis) is a species of sheep native to North America named for its large horns. Bighorn sheep are named for the large, curved horns borne by the rams (males). Ewes (females) also have horns, but they are shorter with less curvature.