Blue winged warbler.

Blue-winged warbler, May 8, 2017, Rondeau Provincial Park, Ontario, Canada.

Vermivora cyanoptera
Blue-winged and Golden-winged Warblers look different, sing different songs, occur in somewhat different habitats, and winter in different places. But amazingly, these differences are only skin deep, or rather feather deep—the two species are 99.97% genetically similar, according to research done at the Cornell Lab.
source - https://www.allaboutbirds.org/…/Blue-winged_Warbler/overview

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