Location: Yellowstone Lake State Park and Wildlife Area
About 80 degrees and sunny. Somewhat windy. 18 species. The unusual sighting was an anomalous Crescent which is presumably a mutation. Photos below.
One of the anglewings distracted by puddling was taken by a fast, low-flying bird.
Pearl Crescent (aberrant)
Eastern Tiger Swallowtail, Giant Swallowtail
Eastern Tiger Swallowtail
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