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The Bar-headed Goose migrates over the Himalayas to spend the winter in India and breeds in the arctic wetlands during the summer.
For Arctic Temperatures
the white parka? if so its a canada goose jacket; arctic exploration type jacket I believe that the parka is a Canada Goose "Expedition parka" but not 100% sure.
britain
snow goose
because they are fat
arctic foxes and skuas
Jackets like Canada Goose.
First the plural of "Goose" is "Geese". Geese "migrate", that is they fly North into the Arctic regions in Spring and South to temperate regions in Autumn. They do this because during the Arctic Summer, the Arctic wetlands are warmed by 24 hours of sunlight, the plants grow and the wetlands team with life that is food for the geese (also there are few predators). They therefore bread in the Arctic and raise their young over these summer months. Come Autumn/Winter the ground freezes over and snow covers the vegetation and food ceases to be available for the Geese. They therefore fly South for the Winter to more temperate climate regions where food is available.
There is a type of bird called a Greylag Goose, but the Arctic Grayling is a type of fish.
An instinct is that it flys south for the winter and it mates for life.
They have a very good eyesight and they migrate in winter.