Photo 833321, (c) Mark Rosenstein, some rights reserved (CC BY-NC), uploaded by Mark Rosenstein

Attribution © Mark Rosenstein some rights reserved Uploaded by maractwin Source iNaturalist Associated observations Photos / Sounds What Chestnut-sided Warbler (Setophaga pensylvanica) Observer maractwin Date May 5, 2014 07:12 AM EDT Place Middlesex, Massachusetts, United States (Google, OSM) Date Added May 5, 2014 10:35 AM EDT 4 IDs Research Grade View Sizes small medium large original