Coypu In turn, these two taxa share evolutionary affinities with other Myocastorini genera: "Proechimys" and "Hoplomys" (armored rats) on the one hand, and "Thrichomys" on the other hand. The coypu somewhat resembles a very large rat, or a beaver with a small tail. Adults are typically in weight, and in body length, with a 30 to 45 cm (12 to 18 in) tail. It is possible for coypu to weigh up to , although adults usually average . They have coarse, darkish brown outer fur with soft dense grey under fur, also called the nutria. Three distinguishing features are a white
Given name Given name A given name (also known as a first name, forename or Christian name) is a part of a person's personal name. It identifies a specific person, and differentiates that person from the other members of a group (typically a family or clan) who have a common surname. The term "given name" refers to the fact that the name usually is bestowed upon a person, normally to a child by his or her parents at or close to the time of birth. A Christian name, a first name which historically was given at baptism, is now also typically given