Dunlin (Calidris alpina). First-winter bird foraging on coastal mudflats. Known in North America as the red-backed sandpiper.

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The spots on the breast reveal this to be a first- winter bird, a bird that hatched from an egg the previous spring.

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Size: 6000px × 4000px
Location: Pennington Marsh, Hampshire, UK
Photo credit: © David Sewell / Alamy / Afripics
License: Licensed
Model Released: No

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