- 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
- 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