Photo 69890261, (c) b_coulter, some rights reserved (CC BY-NC), uploaded by b_coulter

Attribution © b_coulter some rights reserved Uploaded by b_coulter Source iNaturalist Associated observations Photos / Sounds What Northern Rough-winged Swallow (Stelgidopteryx serripennis) Observer b_coulter Date April 2020 Place Pennsylvania, US (Google, OSM) Date Added April 28, 2020 12:30 AM EDT 2 IDs Research Grade View Sizes small medium large original Copyright