Greylag Goose (Anser anser), territorial gander chasing intruding gander, Germany

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Size: 5004px × 3336px
Photo credit: © Duncan Usher / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aggression, behaviour, bird, birds, breeding, chase, chasing, defence, dominance, dominant, europe, european, gander, geese, goose, territorial, territory, wildfowl