(1)哺乳類。
(2)Arctic deer with large antlers in both sexes; called `reindeer' in Eurasia and `caribou' in North America
(3)雄雌両性とも大きな枝角を持つ北極鹿
(4)ユーラシアではトナカイ、北米ではカリブーと呼ばれる