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
Montserrat (given name) as a given name as is, or sometimes translated as Montserrate or Monserrate (where the final "e" is pronounced /e̞/). Montserrat (given name) Montserrat (, or "Maria Montserrat", after the Virgin of Montserrat, is a popular name for girls in Catalonia and several other parts of Catalan-speaking areas. Indeed, it was the second most common given name for women in Catalonia in 2014, according to the Catalan Statistics Institute. The name is traditionally abbreviated to "Serrat", "Rat", "Rateta", "Tat" or "Tóna", and more recently, due to foreign influence, also to "Monse". April 27th is the Montserrat name day, traditionally celebrated