Feral Greylag Geese Anser anser in Britain. and Ireland, 1960–86

摘要: Greylag Geese were introduced to southwest Scotland and East Anglia in the 1930s establish feral flocks, presumably as hunting quarry. In 1960s 1970s Wildfowlers' Association of Great Britain Ireland translocated released more than 1300 birds that had been caught or taken eggs from reared on their reserves, with object reestablishing species a breeding bird England. By mid-1980s flocks established at 30 sites. The outside have increased rate just over 13% per year, total rose only 1700 end an estimated 13 000–14 000 1985–86. most rapid growth was southern central England it is this area, particularly gravel pits, there remains greatest potential for further expansion. Continuation present trends would result 26 by 1990 96 year 2000, but pressure farmers, increase in...