A close up on the head of a grey heron (Ardea cinerea) with the nictitating membrane, or third eyelid, partially drawn across its eye on the Isle of S

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A close up on the head of a grey heron (Ardea cinerea) with the nictitating membrane, or third eyelid, partially drawn across its eye on the Isle of Sheppey in Kent. May.

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Size: 5100px × 3387px
Location: Isle of Sheppey, Kent, England, UK, United Kingdom, Europe
Photo credit: © DP Wildlife Vertebrates / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: anatomy, animal, ardea, bird, britain, british, cinerea, england, english, europe, european, eyelid, grey, heron, isle, kent, kingdom, membrane, natural, nature, nictitating, sheppey, uk, united, wildlife, world