: a long-eared deer (Odocoileus hemionus) of western North America that is larger and more heavily built than the white-tailed deer
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Bighorn sheep, elk, moose, bears, mule deer, pronghorn, and bison thrive in the park.—Patricia Doherty, Travel + Leisure, 3 May 2026 Hundreds of bird, mammal, fish and amphibian species live at the park, and visitors might see mule deer, elk, javelina and squirrels.—Catherine Garcia, TheWeek, 27 Apr. 2026 The disease has been detected in Texas and New Mexico, with a prevalence as high as 11% in one mule deer population.—Moná Thomas, PEOPLE, 24 Apr. 2026 In Utah, more than 99 percent of roadless areas are designated by the state as crucial or substantial habitat for mule deer.—Dac Collins, Outdoor Life, 19 Mar. 2026 See All Example Sentences for mule deer