Photo 810857, (c) Barbara Banfield, some rights reserved (CC BY), uploaded by Barbara Banfield

Attribution © Barbara Banfield some rights reserved Uploaded by barbarab Source iNaturalist Associated observations Photos / Sounds What Bonaparte's Gull (Chroicocephalus philadelphia) Observer barbarab Date April 25, 2014 Place Lower San Lorenzo River, Santa Cruz, Santa Cruz County, CA (Google, OSM) Date Added April 26, 2014 12:11 AM PDT 4 IDs Research Grade View Sizes small medium large original