OVERVIEW
There are two subspecies of black-tailed deer: Columbian black-tailed deer (Odocoileus hemionus columbianus) and Sitka black-tailed deer (O. h. sitkensis). These subspecies occur in the coastal rainforests of the Pacific Northwest, British Columbia, Canada, and Alaska and have different habitat needs than mule deer. Although they are subspecies of mule deer, black-tailed deer are physically and genetically different from mule deer and from each other. Due to the differences among these deer, wildlife managers use different tools and techniques to manage black-tailed deer across their range.

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• Publication Date November 17, 2025