Two forms of black-tailed deer or blacktail deer that occupy coastal temperate rainforests in the Pacific Northwest are subspecies of the mule deer. The Columbian black-tailed deer is found in western North America, from Northern California into the Pacific Northwest and coastal British Columbia. The black-tailed deer is currently common in northern California, western Oregon, Washington, in coastal and interior British Columbia, and north into the Alaskan panhandle.