Facts about Greylag Goose

1. 08

   Greylag geese first bred in Iceland around 1000 years ago after human settlement expanded their habitat range, establishing the island's still-thriving population today.

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2. 07

   Dabbling on shallow wetlands, greylag geese feed primarily on aquatic vegetation and grasses, consuming up to 2 kilograms of plant material daily during pre-migration feeding periods.

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3. 06

   Greylag geese possess specialized salt glands above their eyes that filter excess salt from seawater, allowing them to drink from coastal and brackish environments where freshwater is unavailable.

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4. 05

   Greylag geese can live 20 to 30 years in the wild, with some individuals documented surviving over 40 years when protected from hunting.

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5. 04

   In large flocks, greylag geese produce a characteristic loud, rhythmic honking that serves as a contact call between individuals and can be heard from up to 1 kilometer away.

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6. 03

   Greylag geese form lifelong pair bonds and typically lay 4 to 6 eggs per clutch during their breeding season in northern Europe and Asia.

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7. 02

   During spring migration, greylag geese fly in distinctive V-formations that can cover over 1,600 kilometers between their wintering grounds and Arctic breeding territories.

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8. 01

   Weighing between 2.5 and 4.5 kilograms, the greylag goose is the heaviest wild goose species in Europe and serves as the ancestor of most domestic goose breeds.

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