Photo 37828291, (c) Leslie Harris, some rights reserved (CC BY-NC), uploaded by Leslie Harris

Attribution © Leslie Harris some rights reserved Uploaded by leslieh Source iNaturalist Associated observations Photos / Sounds What Checkered Periwinkle (Littorina scutulata) Observer leslieh Date April 27, 2019 10:58 AM PDT Place Coastal San Pedro, Los Angeles, CA, USA (Google, OSM) Date Added May 3, 2019 01:42 PM PDT 4 IDs Research Grade View Sizes small medium large original Copyright