Darwin's finches

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Darwin's finches

pl n
(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

Dar′win's finch′es


n. pl.
a group of Galapagos Island finches, esp. of the genus Geospiza, that were observed by Charles Darwin and provide a striking example of speciation.
[1945–50]