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Darwin's finches

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plural noun
  1. 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for darwin's finches

Darwin's finches

pl n
  1. 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