The mule deer (Odocoileus hemionus) is a deer indigenous to western North America; it is named for its ears, which are large like those of the mule. Two subspecies of mule deer are grouped into the black-tailed deer.
Similar species: Even-toed Ungulates
By Christine Young
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Uploaded Mar 13, 2018. Captured Jul 21, 2007 20:33 in Loowit Trail, Cougar, WA 98616, USA.