moose, mating activity, Wyoming wildlife, Grand Teton, Fall wildlife, national park, mating behavior, wetland wildlife, fall color, horizontal, couple, two, cow moose, bull moose, shiras moose, shirasi, Wyoming moose, fauna, wildlife, animal, mammal, herbivore, Alces alces, courtship, breeding season, photo, photos, photograph, photographs, image, images, picture, pictures, stock, of, agency, leesonphoto