A Northern Water Snake rests on a willow branch near the water surface at Port Louisa National Wildlife Refuge in Iowa.

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A Northern Water Snake rests on a willow branch near the water surface at Port Louisa National Wildlife Refuge in Iowa.

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Size: 4000px × 3000px
Location: Iowa
Photo credit: © USFWS Photo / Alamy / Afripics
License: Licensed
Model Released: No

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