Nov. 28 (UPI) — New research proves interbreeding among species can produce new species in as little as two generations.

Researchers discovered their proof, a new bird species — the product of a love affair between a foreigner and local — on the Galápagos Islands.

For decades, scientists have been studying Darwin’s finches on the Galápagos Islands off the west coast of South America. The remote islands offer an ideal setting in which to study evolution and adaptation.

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