V02044 Bison Herd Resting on Prairie Grassland at Wind Cave National Park During Autumn by Pronghorn Productions in Bison , Mammal , Ungulate Full HD (1920x1080) – $15 HD (1280x720) – $9 Add to Cart Checkout Added to cart Bison Herd Resting on Prairie Grassland at Wind Cave National Park During Autumn $9