Phylogeny of Darwin's finches as revealed by mtDNA sequences

Akie Sato, Colm O'huigin, Felipe Figueroa, Peter R. Grant, B. Rosemary Grant, Herbert Tichy, Jan Klein

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133 Citations (Scopus)

Abstract

Darwin's finches comprise a group of passerine birds first collected by Charles Darwin during his visit to the Galapagos Archipelago. The group, a textbook example of adaptive radiation (the diversification of a founding population into an array of species differentially adapted to diverse environmental niches), encompasses 14 currently recognized species, of which 13 live on the Galapagos Islands and one on the Cocos Island in the Pacific Ocean. Although Darwin's finches have been studied extensively by morphologists, ecologists, and ethologists, their phylogenetic relationships remain uncertain. Here, sequences of two mtDNA segments, the cytochrome b and the control region, have been used to infer the evolutionary history of the group. The data reveal the Darwin's finches to be a monophyletic group with the warbler finch being the species closest to the founding stock, followed by the vegetarian finch, and then by two sister groups, the ground and the tree finches. The Cocos finch is related to the tree finches of the Galapagos Islands. The traditional classification of ground finches into six species and tree finches into five species is not reflected in the molecular data. In these two groups, ancestral polymorphisms have not, as yet, been sorted out among the cross-hybridizing species.

Original languageEnglish (US)
Pages (from-to)5101-5106
Number of pages6
JournalProceedings of the National Academy of Sciences of the United States of America
Volume96
Issue number9
DOIs
StatePublished - Apr 27 1999

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Finches
Phylogeny
Mitochondrial DNA
Ecuador
Cocos
Pacific Ocean
Songbirds
Cytochromes b
Textbooks
Islands
Birds
Siblings
History
Radiation

All Science Journal Classification (ASJC) codes

  • General

Cite this

Sato, A., O'huigin, C., Figueroa, F., Grant, P. R., Grant, B. R., Tichy, H., & Klein, J. (1999). Phylogeny of Darwin's finches as revealed by mtDNA sequences. Proceedings of the National Academy of Sciences of the United States of America, 96(9), 5101-5106. https://doi.org/10.1073/pnas.96.9.5101
Sato, Akie ; O'huigin, Colm ; Figueroa, Felipe ; Grant, Peter R. ; Grant, B. Rosemary ; Tichy, Herbert ; Klein, Jan. / Phylogeny of Darwin's finches as revealed by mtDNA sequences. In: Proceedings of the National Academy of Sciences of the United States of America. 1999 ; Vol. 96, No. 9. pp. 5101-5106.
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Sato, A, O'huigin, C, Figueroa, F, Grant, PR, Grant, BR, Tichy, H & Klein, J 1999, 'Phylogeny of Darwin's finches as revealed by mtDNA sequences', Proceedings of the National Academy of Sciences of the United States of America, vol. 96, no. 9, pp. 5101-5106. https://doi.org/10.1073/pnas.96.9.5101

Phylogeny of Darwin's finches as revealed by mtDNA sequences. / Sato, Akie; O'huigin, Colm; Figueroa, Felipe; Grant, Peter R.; Grant, B. Rosemary; Tichy, Herbert; Klein, Jan.

In: Proceedings of the National Academy of Sciences of the United States of America, Vol. 96, No. 9, 27.04.1999, p. 5101-5106.

Research output: Contribution to journalArticle

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