![](http://www.alamy.com/thumbs/6/0EF1243D-310D-4034-904F-971269F59D94/GJ7NW3.jpg)
Western Greylag Goose (Anser anser). Head. Lowered in a threat posture. Bill slightly open revealing lamellae edges to mandible
Western Greylag Goose (Anser anser). Head. Lowered in a threat posture. Bill slightly open revealing lamellae edges to mandibles.
Size: 3744px × 5616px
Photo credit: © Joe Blossom / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: anatidae, animal, animals, anser, anseriformes, anserinae, anserini, aves, beak, behavior, behaviour, bill, bird, birds, close-, europe, european, format, geese, goose, graylag, greylag, head, lamellae, mandibles, norfolk, open, orientation, plumage, portrait, pose, position, posture, single, stance, threat, threatening, uk, upright, vertical, waterfowl, western, wetlands, wildfowl