Photo 5197640, (c) persona801, some rights reserved (CC BY-NC)

Attribution © persona801 some rights reserved Uploaded by persona801 Source iNaturalist Associated observations Photos / Sounds 2 photos What Rough Periwinkle (Littorina saxatilis) Observer persona801 Date October 9, 2016 Place acadia national park (Google, OSM) Date Added October 11, 2016 08:39 PM EDT 6 comments 2 IDs Research Grade View Sizes small medium large original