A Common Periwinkle moves slowly across a wet, sandy beach at low tide.

Filename

Ogunquit0101.jpg

Copyright

Jennifer Booher

Image Size

5134x3401 / 9.3MB

Littorina littorea periwinkle Common Periwinkle marine snail gastropod mollusc mollusk moving horns head closeup close-up alive algae-covered shell low tide tidal littoral zone sand beach biology nature wildlife small

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