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Darwin's finch |
Also found in: Wikipedia | 0.72 sec. |
Darwin's finchor Galápagos finchAny of 14 species (in three genera) of songbirds (family Fringillidae) whose adaptations to several ecological niches in the Galápagos Islands and Cocos Island gave Charles Darwin evidence for his thesis that “species are not immutable.” All the species are 4–8 in. (10–20 cm) long and brownish or black, but they differ greatly in the configuration of the bill, which is suited to each species' particular feeding habit. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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