Photo 17801287, (c) JS Young, all rights reserved, uploaded by JS Young

Attribution © JS Young all rights reserved Uploaded by js_young Source iNaturalist Associated observations Photos / Sounds 2 photos What Tree Swallow (Tachycineta bicolor) Observer js_young Date May 11, 2018 09:58 AM PDT Place Presidio, San Francisco, CA, USA (Google, OSM) Date Added May 11, 2018 12:41 PM PDT Description nesting in new nest box 2 comments 2 IDs Research Grade View Sizes small medium large original Copyright