Photo 24371630, (c) Morgan Cantrell, some rights reserved (CC BY-NC), uploaded by Morgan Cantrell

Attribution © Morgan Cantrell some rights reserved Uploaded by morgancantrell Source Natusfera Associated observations Photos / Sounds 2 photos What Heermann's Gull (Larus heermanni) Observer morgancantrell Date September 5, 2018 12:14 PM PDT Place Ferry Building, One San Francisco Bay Trail, San Francisco, CA 94111, USA (Google, OSM) Date Added September 5, 2018 09:23 PM CEST 2 IDs Research Grade View Sizes small medium large original