Mixed Butterflies: Tropical species joins ranks of rare hybrids | Science News

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Mixed Butterflies: Tropical species joins ranks of rare hybrids

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10:09am, June 14, 2006

A South American butterfly has a checkered past, say biologists. It's one of the few animal species that seems to have arisen via a supposedly rare path: crossing two older species.

A black butterfly flashing bold stripes, Heliconius heurippa, came from the natural mixing of two other Heliconius species, says Jesús Mavárez of the Smithsonian Tropical Research Institute in Panama.

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