a wild sheep (Ovis dalli) with white hair and long spiral horns, living in the mountains of NW North America
also Dall's sheep
Origin of Dall sheepafter W. H. Dall (1845-1927), United States naturalist
or Dall's sheep
A large wild sheep (Ovis dalli) of the mountainous regions of northwest North America, ranging in color from white to nearly black and having large, curved horns.
Origin of Dall sheepAfter William Healey Dall, (1845–1927), American naturalist.
male Dall sheep
(plural Dall sheep)
- A species of wild sheep native to northwestern North America, Ovis dalli.
Named after William Healey Dall (1845–1927), an American naturalist.