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A geometric morphometric appraisal of beak shape in Darwin's finches.

Journal of evolutionary biology - 1 Jan 2008

Foster D J, Podos J, Hendry A P

Abstract excerpt

Beak size and shape in Darwin's finches have traditionally been quantified using a few univariate measurements (length, depth, width). Here we show the improved inferential resolution of geometric morphometric methods, as applied to three hierarchical levels: (i) among seven species on Santa Cruz Island, (ii) among different sites on Santa Cruz for a single species (Geospiza fortis), and (iii) between large and...

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Beak
Biometry
Finches
Genetic Speciation
Genetic Variation

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PMID: 18021202
DOI: 10.1111/j.1420-9101.2007.01449.x

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