Photo 131840782, (c) David J Barton, some rights reserved (CC BY-NC), uploaded by David J Barton

Attribution © David J Barton some rights reserved Uploaded by redabbott Source iNaturalist Associated observations Photos / Sounds What Mexican Cliff Swallow (Petrochelidon pyrrhonota ssp. melanogaster) Observer redabbott Date May 18, 2021 06:26 AM PDT Place Nogales, AZ 85621, USA (Google, OSM) Date Added May 26, 2021 07:37 PM PDT 2 IDs Research Grade View Sizes small medium large original Copyright