Mallard about to sleep showing second eyelid

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Size: 4000px × 2918px
Photo credit: © Splinter Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: anas, bird, camera, close, drake, duck, eyelid, grass, green, head, male, mallard, nature, ornithology, platyrhynchos, sitting, sleeping, watching, waterfowl, wild, wildfowl