Battus (butterfly)

Battus (butterfly)

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Battus is a New World genus of butterflies that are usually found around pipevine (genus Aristolochia) plants. The caterpillars feed off the poisonous pipevines, making the insects poisonous themselves; they taste very bad to ward off predators. Since birds avoid these butterflies, other swallowtail species mimic their coloration. The common North American species are Battus polydamas and Battus philenor.