Photo 26049420, (c) palmer1, some rights reserved (CC BY-NC)

Attribution © palmer1 some rights reserved Uploaded by palmer1 Source iNaturalist Associated observations Photos / Sounds What Cliff Swallow (Petrochelidon pyrrhonota) Observer palmer1 Date October 4, 2018 09:45 AM CDT Place Palmer Elementary School, Chicago, IL, US (Google, OSM) Date Added October 4, 2018 02:46 PM UTC 1 ID View Sizes small medium large original