Photo 13949881, (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 2 photos What Great Horned Owl (Bubo virginianus) Observer marionanoiram Date March 6, 2018 12:04 PM PST Place Kinzey St, San Francisco, CA 94129, USA (Google, OSM) Date Added March 6, 2018 02:38 PM PST 4 IDs Research Grade View Sizes small medium large original