The Big Sioux River
Butterflies of the Big Sioux area
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Regal Fritillary (endangered) at Makoce Washte
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Common Buckeye
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Monarch 9-25-04
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Painted Lady 9-25-04
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Tiger Swallowtail
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Wood Nymph
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Great Spangled Fritillary
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Eastern-tailed Blue
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Orange Sulphur
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Hackberry Emperor
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Red Spotted Purple at Newton Hills State Park