Coypu killed by gun. Combined with cold winters in 1962 to 1963, almost 40,500 coypu were removed from the population. Although coypu populations were greatly reduced after the 1962-1965 campaign ended, the population increased until another eradication campaign began in 1981. This campaign succeeded in fully eradicating coypu in Great Britain. The trapping areas were broken into 8 sectors leaving no area uncontrolled. The 24 Trappers were offered an incentive for early completion of the 10-year campaign. In 1989 coypu were assumed eradicated as only 3 males were found between 1987 and 1989. Nutria herbivory "is perhaps the least studied or
Riley (given name) Riley (given name) Riley is a unisex given name, which first appeared as "Raghallach", which was originated on a man who died in the Battle of Clontarf. Its source gives its meaning as "valiant". Riley in the United States is mostly a girl's name. In 2017, it was the twenty-fifth most popular girl's name, and the 253rd most popular boy's name. The opposite is true for the UK, where it is primarily a boy's name, being the fortieth most popular name given to baby boys in 2016. Riley is also a popular surname. The surname's first variant is Ó Raghallaigh