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Citation for Study 19201

About Citation title: "Pleistocene Diversification and Speciation of White-Throated Thrush (Turdus Assimilis; Aves: Turdidae).".
About Study name: "Pleistocene Diversification and Speciation of White-Throated Thrush (Turdus Assimilis; Aves: Turdidae).".
About This study is part of submission 19201 (Status: Published).

Citation

Nu?ez zapata J., Peterson A., & Navarro sig? A. 2016. Pleistocene Diversification and Speciation of White-Throated Thrush (Turdus Assimilis; Aves: Turdidae). Journal of Ornithology, .

Authors

  • Nu?ez zapata J.
  • Peterson A.
  • Navarro sig? A.

Abstract

Dispersal and vicariance have been suggested to have led to speciation in Mesoamerican taxa during the Pleistocene, as a consequence of climatic fluctuations and resulting range disjunctions, but few biogeographic studies have been developed to assess their relative roles. Based on a mitochondrial DNA dataset, we analyzed the evolutionary history of Turdus assimilis, a species distributed in Mesoamerica and northwestern South America. Phylogenetic patterns, divergence times, and biogeographic analyses suggest a South American ancestor for T. assimilis, which split from T. albicollis between 1.4 and 3.0 Ma ago. The analysis suggests the colonization of Mesoamerica and the Choc? region by small numbers of founder individuals. Furthermore, genetic divergence, reciprocal monophyly, an ancient disjunction, and clear phenotypic differences suggest that the population from the Choc? region, T. a. daguae, represents a species separate from T. assimilis.

Keywords

phylogeography, lowlands, genetic distances, Mesoamerica, Choc? region, founder event speciation

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About this resource

  • Canonical resource URI: http://purl.org/phylo/treebase/phylows/study/TB2:S19201
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