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
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",