Photo 305813, (c) Liam O'Brien, some rights reserved (CC BY-NC), uploaded by Liam O'Brien

Attribution © Liam O'Brien some rights reserved Uploaded by robberfly Source iNaturalist Associated observations Photos / Sounds What White-crowned Sparrow (Zonotrichia leucophrys) Observer robberfly Date April 24, 2013 02:48 PM PDT Place The Presidio of San Francisco, San Francisco, California, US (Google, OSM) Date Added April 24, 2013 06:48 PM PDT 2 IDs Research Grade View Sizes small medium large original