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BALDWIN -- The Karner blue butterfly is one finicky flutterer. Nature buffs won't see this tiny, ornate insect just anywhere -- caterpillars feed only on wild lupine plants; adults are found in flat ...

I feel comfortable going out on a limb here and saying most everyone can identify at least one species of butterfly. Most folks could probably even make a positive ID on three or more. However, most ...

Rare large blue butterflies just experienced their most substantial reintroduction into the wild. About 750 of the globally endangered butterflies successfully hatched from larvae and flapped around ...

Edith Smith bred a bluer and shinier Common Buckeye at her butterfly farm in Florida, but it took University of California, Berkeley, graduate student Rachel Thayer to explain the physical and genetic ...