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Hyla chrysoscelis
I was just thinking this might be a Bird-voiced. I don't see any orange peeking through on the legs. I've only seen a few, and most of those were at night.
I'm not 100% sure, but I believe you found yourself a bird-voiced treefrog. If so, that's super cool... I have always heard their beautiful calls but I never see them because they don't frequently leave the treetops. I've added a link if you want to check it out. Nice photos by the way!
http://animaldiversity.ummz.umich.edu/si...