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]
References in periodicals archive ?
O blith yr adar, mi oedd o'n bleser gweld y bwbi a'i draed mawr, y ffrigad a'i dagell goch ac wrth gwrs - llinos Darwin neu'r Darwin's finch - a oedd mor allweddol yn natblygiad theori esblygiad wrth iddo sylweddol bod yr aderyn wedi esblygu mewn ffyrdd mor wahanol ar amrywiol ynysoedd y Galapagos.
Analyzing the sequence of DNA extracted from blood samples taken from 13 of 14 Darwin's finch species, the scientists found that the birds shared the same evolutionary source as that of the grassquit, a dull-colored sparrow found widely in Central and South America.
Ecological correlates of morphological evolution in a Darwin's finch, Geospiza difficilis.