Human Role in Reindeer/Caribou Systems - Rangifer Research Program - Research resources on Rangifer (Caribou/Reindeer), including a network of reindeer/caribou scientists, internet links, and bibliography of references, databases, catalogs, and photo galleries.

Ultimate Ungulate Page: Artiodactyla - Taxonomy of the order of even-toed ungulates, with biological descriptions of selected representative species.