Tamiasciurus hudsonicus (red squirrel, pine squirrel, chickaree)
| Class | Mammalia |
| Order | Rodentia |
| Family | Sciuridae |
| Genus | Tamiasciurus |
| Species | Tamiasciurus hudsonicus |
| Common | red squirrel, pine squirrel, chickaree |
| Diet | herbivore and generalist |
| Habitat | Coniferous boreal forest of Canada, Alaska, the Rocky Mountains, and forested areas of the interior West, including northeastern Oregon. |
| Description | Reddish tree squirrel, smaller than S. niger. Distinguish from T. douglasii by white belly, white eye ring, yellow-tipped tail hairs, and by range. Both species are very vocal, may bark for a long time when disturbed. T. hudsonicus and T. douglasii ranges overlap in northeastern Oregon, where there is some intergrading of characteristics such as ventral coloration. |
| Skull Characteristics | as described for T. douglasii |
| Notes | Links to more species information: |