Great Spotted Woodpecker showing its Nictitating Membrane

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A Great Spotted Woodpecker with its protective eyelid (Nictitating Membrane) closed

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Size: 2825px × 3956px
Location: Cumbria, England, UK
Photo credit: © Stephen Miller / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: birch, british, close-, cumbria, dendrocopos, eyelid, great, major, membrane, nature, nictitating, protection, protective, spotted, uk, wild, woodland, woodpecker