The sound of two bighorn sheep butting heads can be heard up to a mile away. Despite the incredible force involved, they rarely suffer concussions or other head injuries from their headbutts. Their unique skull structure and natural adaptations protect them from harm. Photo by Adam Jewell . . . #wildlife #bighornsheep #rams #publiclands #coloradoparksandwildlife #exploremore #optoutside #rockymountains #wildanimalphotos #animaloftheday #outboundliving #adventurer