Male Dall sheep have thick, curling horns. The park is the northernmost range limit for the Dall sheep. Grazing mammals include Bactrian camels, plains zebras, llama, alpaca, bison, Dall sheep, and elk. Dall sheep are often seen on mountainsides. The Refuge is also home to brown and black bears, dall sheep, moose, and caribou. The player hunts red deer, Sitka deer, elk, Dall sheep, caribou, and moose. Other terrestrial animals include wolverines, moose, Dall sheep, ermines, and Arctic ground squirrels. Wildlife includes caribou, moose, wolf, Dall sheep, grizzly bear, and black bear. In 1959, construction started on the dall sheep mountain and the Alaskan bear exhibit. It teemed with black bear, grizzlies and had Dall sheep on the higher slopes. It contains two natural style "mountains" housing Dall sheep and Rocky Mountain bighorn sheep. Other mammals include mountain goat, caribou, moose, Dall sheep, North American beaver and snowshoe hare. Traditionally, Dall sheep were a favorite meal for people in Upper Kuskokwim region. The reverse features a Dall sheep with the peak of Denali in the background. The coin's reverse side features a Dall sheep with Denali in the background.