Greylag Goose (Anser anser), territorial gander chasing intruding gander, Germany
Size: 4682px × 3121px
Photo credit: © Duncan Usher / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: aggression, behaviour, bird, birds, breeding, chase, chasing, defence, defending, dominance, dominant, europe, european, gander, geese, goose, season, territorial, territory, wildfowl