The term CARIBOU RELATIVES refers to the family of animals known as Elks, which are four-legged mammals belonging to the Cervidae family. Elks are closely related to deer, moose, and caribou, and are found in North America, Europe, and Asia. They are characterized by their large antlers, which are shed and regrown each year. Elks are herbivores, and their diet consists mainly of grasses, leaves, and bark.