Odocoileus hemionus columbianus (Columbian black-tailed deer, blacktail deer)
| Class | Mammalia |
| Order | Cetartiodactyla (Artiodactyls) |
| Family | Cervidae |
| Genus | Odocoileus |
| Species | Odocoileus hemionus columbianus |
| Common | Columbian black-tailed deer, blacktail deer |
| Diet | Herbivorous |
| Habitat | Wooded, dense brush areas, similar to white-tailed deer. |
| Description | Large ears, like mule deer. Dorsal side of tail is black or brown, white underneath, but smaller than white-tailed deer. May stott. Antlers: Grow upward, forked, but less clearly than mule deer, and generally smaller than mule deer. |
| Skull Characteristics | Lacrimal pit long, narrow and deep (cp. whitetail). No upper canine (cp. elk). Vomer fully divides nasal cavity to the posterior, unlike elk or moose. |
| Notes |