The Greylag Goose is doing well. As a domestic species it is widespread in parks all over the world. In Europe after years of decline the numbers are growing. Now the Greylag Goose breeds in large numbers and that affects both agriculture and nature. Agriculture because pastures are stripped bare, nature because the geese defecate in nature areas, which leads to eutrophication. There is much debate on the desirability of killing a percentage of the population every year. Difficult problem, what to do?