The other is known as the Roseburg herd in Douglas County, Oregon. The Columbian White-tailed deer live on approximately 5,200 acres of prime habitat in certain islands and bottom lands within a fifteen km. The deer are restricted to these flatlands. In 1972, seventeen percent of the area was classified as wooded. The remainder has been converted to pasture.
Weather is moderate in the area of the Columbia River.
Roseburg White-tailed Deer inhabit areas where the natural vegetation is woodland. The climate is hotter and drier there. The area is also a native forested tidal swamp. There are trees and brush around for cover from weather and enemies. The Columbian White-tailed Deer feed on blackberries, rushes, sedges, roses, American Elder, and snowberries.