Anser anser · Icelandic: Grágæs
A large grey-brown goose, ancestor of nearly all domestic geese.
Habitat: Lowland wetlands, farmland and lake margins | Season: Apr–Oct (some overwinter)
Grazes in flocks on grass and farmland. Gives loud honking calls, especially in flight.
The Greylag is the ancestor of nearly all domestic geese — its wild genes are literally in the farmyard.
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