The blacktail deer is a common species of deer native to North America. They are characterized by their distinctive black-colored tail and white underside. Other synonyms for blacktail deer include the Columbian black-tailed deer, the Sitka deer, and the coastal black-tailed deer. The Columbian black-tailed deer is found in the Pacific Northwest, while the Sitka deer is found in Alaska and coastal British Columbia. Like most deer, blacktails are herbivores, feeding on leaves, twigs, and other vegetation. They are a popular game animal for hunters, and their population is managed to maintain a healthy balance in their ecosystems.