Great crested grebe, (Podiceps cristatus), female signaling to male her copulation willingness, on nest platform, on lake, Lower Saxony, Germany

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Size: 4445px × 2963px
Photo credit: © Duncan Usher / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: behavior, breeding, copulation, courtship, crested, display, great, grebe, lake, male, nest, platform, readiness, signal, territory, willingness