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. 2015 Nov 17;15:255. doi: 10.1186/s12862-015-0535-6

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© Monti et al. 2015

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 6 — Ancestral-area estimations (above nodes) for Pandion evolution, using the unconstrained DIVA + J model in BioGeoBEARS, according to the selected scenario “S1”. Letters represent the areas used for the biogeographical reconstructions: A = America (violet), I = Indo-Australasia (green), J = Asia (blue) and E = Europe-Africa (orange); in red the common ancestor between A and I. Outgroup species used to root the tree are not shown