Photo 59126008, (c) William Mason, some rights reserved (CC BY-NC), uploaded by William Mason

Attribution © William Mason some rights reserved Uploaded by ectothermist Source iNaturalist Associated observations Photos / Sounds 2 photos What Great Dusky Swift (Cypseloides senex) Observer ectothermist Date December 2, 2019 02:12 PM -03 Place Iguazú National Park, Iguazú Department, Misiones Province, Argentina (Google, OSM) Date Added January 5, 2020 12:42 PM PST 2 comments 4 IDs Research Grade View Sizes small medium large original