Rats are various medium-sized, long-tailed rodents with round shaped ears. Species of rats are found throughout the order Rodentia, but
stereotypical rats are found in the genus Rattus. Other rat genera include Neotoma, Bandicota and Dipodomys. Rats are typically
distinguished from mice by their size. Most rats can be seen by the color of grey, black, or brown, They are
sometimes called an mouse.