Article
A beak size locus in Darwin's finches facilitated character displacement during a drought.
Science (New York, N.Y.) - 22 Apr 2016
Lamichhaney Sangeet, Han Fan, Berglund Jonas, Wang Chao, Almén Markus Sällman, Webster Matthew T, Grant B Rosemary, Grant Peter R, Andersson Leif
Abstract excerpt
Ecological character displacement is a process of morphological divergence that reduces competition for limited resources. We used genomic analysis to investigate the genetic basis of a documented character displacement event in Darwin's finches on Daphne Major in the Galápagos Islands: The medium ground finch diverged from its competitor, the large ground finch, during a severe drought. We discovered a genomic...
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