Coypu this invasive species's endurance controversial to human occupants throughout most of its range. The genus name "Myocastor" derives from the two Ancient Greek words (), meaning "rat, mouse", and (), meaning "beaver". Literally, therefore, the name "Myocastor" means "beaver rat". Two names are commonly used in English for "Myocastor coypus". The name "nutria" (from Spanish "nutria") is generally used in North America, Asia, and throughout countries of the former Soviet Union; however, in most Spanish-speaking countries, the word "nutria" refers primarily to the otter. To avoid this ambiguity, the name "coypu" or "coipo" (derived from the Mapudungun language) is used
Don (given name) English language. Don (given name) Don is a masculine given name in the Irish language and a short form of another masculine given name in the English language. The Irish name is derived from the Irish "donn"; the name can either mean "brown", or "chief", "noble". The Irish name is a variant spelling of "Donn". The English name is unrelated to the Irish name; this name is a short form of the given name "Donald". Pet forms of this English name include: "Donnie" and "Donny". It can also be a surname, also derived from "brown". It is a common name