Photo 72281641, (c) Dan Treadwell, some rights reserved (CC BY-NC), uploaded by Dan Treadwell

Attribution © Dan Treadwell some rights reserved Uploaded by dtread1 Source iNaturalist Associated observations Photos / Sounds 4 photos What Barn Swallow (Hirundo rustica) Observer dtread1 Date May 10, 2020 01:13 PM EDT Place Silver Spring, MD, USA (Google, OSM) Date Added May 11, 2020 07:49 AM EDT 3 IDs Research Grade View Sizes small medium large original