Coypu salt marshes. Local extinction in their native range due to overharvesting led to the development of coypu fur farms in the late 19th and early 20th centuries. The first farms were in Argentina and then later in Europe, North America, and Asia. These farms have generally not been successful long-term investments, and farmed coypu often are released or escape as operations become unprofitable. The first attempt at coypu farming was in France in the early 1880s, but it was not much of a success. The first efficient and extensive coypu farms were located in South America in the 1920s. The
Alan (given name) for him to be fleet like a deer"), Modern Welsh "elain" (plural "alanedd") "young deer" (and the plant name "alan" "coltsfoot, elecampane"), coming from a Brittonic root "*alan-" or "*elan" (also attested in Celtiberian in personal names such as "Elanus", "Elaesus", and "Ela"), ultimately derived from Proto-Indo-European "*(H)el-Hn-" "deer, hind" (perhaps denoting an animal - generally cervids - with red or brown fur). Another explanation of the name is that the modern English "Alan", and French "Alain", are derived from the name of the Alans. The Alans were an Iranian people who lived north of the Caucasus Mountains in what