head butting Bighorn Sheep Ewe Female Fighting Several Black Hills in Fall by Pronghorn Productions in Bighorn Sheep , Mammal , Ungulate Full HD (1920x1080) – $39 HD (1280x720) – $29 Add to Cart Checkout Added to cart Bighorn Sheep Ewe Female Fighting Several Black Hills in Fall $39 Bison Bull Immature Playing Sparring Pair Head Butting Shedding in Spring by Pronghorn Productions in Bison , Mammal , Ungulate Full HD (1920x1080) – $29 HD (1280x720) – $19 Add to Cart Checkout Added to cart Bison Bull Immature Playing Sparring Pair Head Butting Shedding in Spring $29 Bison Bull Immature Playing Sparring Herd Head Butting Frisky in Spring by Pronghorn Productions in Bison , Mammal , Ungulate Full HD (1920x1080) – $19 HD (1280x720) – $9 Add to Cart Checkout Added to cart Bison Bull Immature Playing Sparring Herd Head Butting Frisky in Spring $19