Photo 2969462, (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien

Attribution © Liam O'Brien some rights reserved Uploaded by robberfly Source iNaturalist Associated observations Photos / Sounds 2 photos What Forster's Tern (Sterna forsteri) Observer robberfly Date February 4, 2016 10:08 AM PST Place 94903, San Rafael, CA, US (Google, OSM) Date Added February 4, 2016 05:52 PM PST Description @dpom told me this is our only tern that visits the Bay Area during the winter. X 5 IDs Research Grade View Sizes small medium large original