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
Given name is commonly used in Spanish-speaking countries to acknowledge the families of both parents. Today the order can also be changed legally in Spain and Uruguay using "given name – mother's family name – father's family name". In many Western cultures, people often have more than one given name. One of those which is not the first in succession might be used exclusively as the name which that person goes by, such as in the cases of John Edgar Hoover and Mary Barbara Hamilton Cartland. A child's given name or names are usually chosen by the parents soon after birth. If