Distribution
There are two largely discrete populations of pink-footed goose. The Greenland and Iceland population winter in Great Britain, while the Svalbard population winters in the Netherlands and Denmark, with small numbers also in Norway , northern Germany, and Belgium.Populations have risen spectacularly over the last 50 years, due largely to increased protection from shooting on the wintering grounds. Numbers wintering in Great Britain have risen almost tenfold from 30,000 in 1950 to 292,000 in October 2004. The numbers wintering in Denmark and the Netherlands have also risen, with about 34,000 in 1993. The most important single breeding site, at Þjórsárver in Iceland , was only discovered in 1951, by Sir Peter Scott and his team who made an expedition to seek the breeding grounds. Within Great Britain, the most important wintering areas are in Norfolk , Lancashire , and Aberdeenshire . Large to huge wintering flocks graze on farmland; individual flocks can be spectacular, such as the 66,000 at Loch of Strathbeg, Aberdeenshire in early September 2003.
Habitat
Nesting is often on cliffs close to glaciers to provide protection from mammalian predators , also on islets in lakes. Three to six eggs are laid in early to mid May in Iceland, late May in Svalbard, with incubation lasting 26–27 days. On hatching, the goslings accompany the parents on foot to the nearest lake, where they fledge after about 56 days. Southbound migration is from mid September to early October, and northbound from mid April to early May.The diet is almost entirely vegetarian. In summer, they feed on a wide range of tundra plants, both on land and in water. In winter, they graze primarily on oilseed rape, sugar beet, potato, and various grasses; damage to crops can be extensive, though their grazing can also benefit particularly sugar beet and potato farmers by gleaning leaves and roots left behind after the crop is harvested, reducing the transmission of crop diseases from one year to the next.
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