Photo 16640137, (c) Marion Anthonisen, some rights reserved (CC BY-NC), uploaded by Marion Anthonisen

Attribution © Marion Anthonisen some rights reserved Uploaded by marionanoiram Source iNaturalist Associated observations Photos / Sounds What Wilson's Warbler (Cardellina pusilla) Observer marionanoiram Date April 27, 2018 10:50 AM PDT Place 431 Lake St, San Francisco, CA 94118, USA (Google, OSM) Date Added April 28, 2018 11:54 AM PDT 2 IDs Research Grade View Sizes small medium large original