The hippopotamus (Hippopotamus amphibius), from the Greek (hippopotamos, hippos meaning "horse" and potamos meaning "river"), is a large, mostly plant-eating African mammal, one of only two extant in the family Hippopotamidae. The other members of the genus Hippopotamus are all extinct.

Hippopotami, also sometimes called hippos, are gregarious, living in groups of up to 40 animals; such a group is called a pod, herd, school, or bloat. A male hippopotamus is known as a bull, a female as a cow, and a baby as a calf.

As indicated by the name, ancient Greeks considered the hippopotamus to be related to the horse. Until 1985, naturalists grouped hippos with pigs, based on molar patterns. Evidence, first from blood proteins, then from molecular systematics, and more recently from the fossil record, show that their closest living relatives are cetaceans — whales, porpoises and the like. Hippopotami have more in common with whales than they do with other artiodactyls (even-toed ungulates), such as pigs. Thus, the common ancestor of hippos and whales existed after the branch-off from ruminants, which occurred after the divergence from the rest of the even-toed ungulates, including pigs. While the whale and hippo are each other's closest living relatives, their lineages split very soon after their divergence from the rest of the even-toed ungulates.

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The product contains four resolutions of the model, the high resolution version being rigged for animation.
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This model is a 3DMax model, saved in version 7 as a MAX file, and requires 3DMax. It does not include any other formats to allow it to be opened in any other software. The model is rigged where appropriate, and mapped and textured.