Darwin's finches(redirected from Galápagos finch)
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(Animals) the finches of the subfamily Geospizinae of the Galapagos Islands, showing great variation in bill structure and feeding habits: provided Darwin with evidence to support his theory of evolution
a group of Galapagos Island finches, esp. of the genus Geospiza, that were observed by Charles Darwin and provide a striking example of speciation.