a group of Galapagos Island finches, observed by Charles Darwin, that provide striking evidence of speciation.
Origin of Darwin's finches
First recorded in 1945–50
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British Dictionary definitions for darwin's finches
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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012