"Bighorn sheep, named for their massive curved horns, are native to North America. These sheep can be found between the Rockies of Canada, where they live in the mountain ranges, down to the flatter areas of Southwest America. They prefer grassy mountain slopes and alpine meadows close to rocky slopes so they can quickly escape predation. They are excellent climbers, along with their good sense of sight, smell and hearing they are excellently adapted to their habitat. The massive horns these sheep are famous for are used as a status symbol and as a weapon when fighting for dominance and mating rights. The sound of clashing males, ramming each other can be heard from long distances."
― In-Game Description
The Bighorn Sheep is a species introduced with the Silver Ridge Peaks reserve located in the rocky mountains of Colorado and Rancho del Arroyo in Mexico. It is a class 4 animal. Both females and males have horns. The species is similar to the other sheep in the game, the Iberian Mouflon.