Photo 6394024, (c) Daniel S. Cooper, some rights reserved (CC BY-NC), uploaded by Daniel S. Cooper

Attribution © Daniel S. Cooper some rights reserved Uploaded by dcoopercem Source iNaturalist Associated observations Photos / Sounds What Glaucous Gull (Larus hyperboreus) Observer dcoopercem Date February 16, 2016 Place Arroyo Simi, Simi Valley, CA, USA (Google, OSM) Date Added February 26, 2017 08:59 AM PST Description From field notes of Steve Bernal 5 IDs Research Grade View Sizes small medium large original