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Mule Deer (Odocoileus hemionus) Identification & Facts

April 21, 2026
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The mule deer, Odocoileus hemionus, is a North American member of the deer family (Cervidae) known for its large, mule‑like ears. In some regions and forms it’s also called the black‑tailed deer, reflecting a darker tail pattern, but all belong to the same species.

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