Great crested grebe, (Podiceps cristatus), confrontation with Black-headed gull, (Larus ridibundis) in nesting area, on lake, Lower Saxony, Germany

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Photo credit: © Duncan Usher / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aggressive, area, behavior, black-headed, breeding, confrontation, crested, defensive, great, grebe, gull, lake, nesting, territorial, territory, threatening