Stock photography, photos: Mule Deer Walking Stock photos of A mule deer (Odocoileus hemionus) walks across the grass. Banff National Park, Alberta. Photograph: © Matthew Thalman Click for a larger image and more information Keywords associated with this stock photo: walking, banff national park, alberta, canada, National Park, National Parks, NP, park, parks, mule deer, black-tailed deer, Odocoileus hemionus, deer, ruminant, ruminants, hoof, hooved, hooves, mammal, mammals, wildlife, animal, animals, north america