grey goose, greylag goose (anser anser) stands in green meadow

adult anatidae animal anser anser anseriformes attentive austria background beak beautiful beauty biodiversity bird break browse burgenland conservation duck endangered environment fauna feathers feeding goose grayleg grey greyleg lake neusiedl meadow migration migratory national park nature neusiedler ornithology outdoors pasture plant plumage portrait poultry protection recreation rural species summer water wildlife wing