Great Crested Grebe (Podiceps cristatus) adult on water in aggressive threat display, Danube delta, Romania, May

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Size: 5300px × 3376px
Photo credit: © Malcolm Schuyl / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: aggression, angry, behaviour, breeding, crested, cristatus, danube, display, great, grebe, podiceps, romania, territorial, threat