Photo 55948886, (c) Keith Gress, some rights reserved (CC BY-NC), uploaded by Keith Gress

Attribution © Keith Gress some rights reserved Uploaded by keith_g Source iNaturalist Associated observations Photos / Sounds What California Gull (Larus californicus) Observer keith_g Date November 8, 2019 02:17 PM PST Place Heron's Head Park Wetland, San Francisco, CA 94111, USA (Google, OSM) Date Added November 8, 2019 11:05 PM PST 2 IDs Research Grade View Sizes small medium large original