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
Raven (given name) Raven (given name) Raven is a unisex given name in the English language. In the United States of America, the name is more commonly used as a feminine name, and has ranked amongst the top 1,000 feminine names given to baby girls since 1977. The name originates from the English vocabulary word "raven", which in turn is ultimately derived from the Old English "hræfn". As a masculine name, "Raven" parallels the Old Norse "Hrafn", and the Old English "*Hræfn", which both mean "raven". As a feminine name, "Raven" is among several other names derived from birds; names such as "Dove",