Photo 19056224, (c) clem, some rights reserved (CC BY-NC), uploaded by clem

Attribution © clem some rights reserved Uploaded by clem Source iNaturalist Associated observations Photos / Sounds 2 photos What Caspian Tern (Hydroprogne caspia) Observer clem Date May 27, 2018 06:52 PM HST Place Contra Costa County, CA, USA (Google, OSM) Date Added June 3, 2018 07:23 AM HST 2 IDs Research Grade View Sizes small medium large original