Photo 4997831, (c) Annie Evankow, some rights reserved (CC BY-NC), uploaded by Annie Evankow

Attribution © Annie Evankow some rights reserved Uploaded by annie_evankow Source iNaturalist Associated observations Photos / Sounds 2 photos What Common Periwinkle (Littorina littorea) Observer annie_evankow Date September 24, 2016 06:54 PM ADT Place Little Brewster Island, Massachusetts, USA (Google, OSM) Date Added September 25, 2016 12:55 AM CEST 3 IDs Research Grade View Sizes small medium large original