This is a common Artistic License for various reasons, and can be easily ignored when either only a single individual is out of scale from its Real Life counterpart, or when all animals are consistently larger or smaller than Real Life. This trope focuses primarily on animals who are not merely depicted on a different scale from Real Life, but on different scales from each other. * Variant 1: Unusually Large * Variant 2: Unusually Small The examples can range anywhere on the Sliding Scale of Anthropomorphism from Nearly-Normal Animal to Petting Zoo People.