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. 2013 May 27;5(7):1273–1290. doi: 10.1093/gbe/evt083

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© The Author(s) 2013. Published by Oxford University Press on behalf of the Society for Molecular Biology and Evolution.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Fig. 3.— — Reconstructionof Kr/Kc (as defined by change in polarity or volume) along the phylogeny of birds. Color stands for the marginal posterior mean instant value of Kr/Kc at each node, with linear interpolation along branches.