REED WARBLER (Acrocephalus scirpaceus) with cuckoo parasite in the background, UK.

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Cuckoo (Cuculus canorus) is 17 days old.

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Size: 4896px × 3264px
Location: Lincolnshire, UK.
Photo credit: © Roy Waller / Alamy / Afripics
License: Licensed
Model Released: No

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