Mule deer are so-named for named for their large mule-like ears. They have a white patch on their rump, with a small tail that is white with a black tip. They shed their hair twice a year, leaving a fine reddish brown coat in the summer months, and a coarse, grayish coat in the winter. Bucks (males) have a darkened v-shaped area on their forehead and dark chest coloring during winter. Fawns have reddish brown summer coat with white spots on their back and sides. The spots disappear within three to four months.