Bison are large, even-toed ungulates in the genus Bison within the subfamily Bovinae.

The moose (North America) or elk (Eurasia), Alces alces, is a member of the New World deer subfamily and is the largest and heaviest extant

Deer (singular and plural) are the hoofed ruminant mammals forming the family Cervidae. The two main groups of deer are the Cervinae, includ