Share this postJarvis Bird Sanctuary, Chicago, 9/18/2021calebcrain.substack.comCopy linkFacebookEmailNoteOtherAlbumJarvis Bird Sanctuary, Chicago, 9/18/2021A pair of ruby-throated hummingbirds, and a Tennessee and a blackpoll warblerCaleb CrainSep 18, 2021Share this postJarvis Bird Sanctuary, Chicago, 9/18/2021calebcrain.substack.comCopy linkFacebookEmailNoteOtherShareTennessee warblerBlack-capped chickadeeRuby-throated hummingbirdsBlackpoll warbler