Mute Swan (Cygnus olor) territorial male chasing Greylag goose, (Anser anser), on lake Lower Saxony Germany

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Size: 4630px × 3087px
Photo credit: © Duncan Usher / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aggressive, agression, behavior, birds, breeding, demonstrative, lake, male, mute, swan, territorial, territory