![](http://www.alamy.com/thumbs/6/2E10D845-0DE2-4F00-A53E-23FA76923401/D844T9.jpg)
A Common Periwinkle with an algae-covered shell moves slowly across a wet, sandy beach at low tide.
Size: 6160px × 4080px
Location: Ogunquit, Maine, USA
Photo credit: © Jennifer Booher / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: algae-covered, alive, beach, biology, close-, closeup, common, england, gastropod, head, horns, littoral, littorea, littorina, maine, marine, mollusc, mollusk, moving, nature, ogunquit, periwinkle, sand, shell, small, snail, tidal, tide, wildlife, zone