Photo 58662815, (c) Andrew Conboy, some rights reserved (CC BY), uploaded by Andrew Conboy

Attribution © Andrew Conboy some rights reserved Uploaded by conboy Source iNaturalist Associated observations Photos / Sounds What Large White-headed Gulls (Genus Larus) Observer conboy Date December 28, 2019 04:39 PM EST Place Peace Valley Reservoir, Doylestown, PA, US (Google, OSM) Date Added December 28, 2019 06:33 PM EST 1 comment 3 IDs Research Grade View Sizes small medium large original