Shifting ecosystem connectivity during the Pleistocene drove diversification and gene-flow in a species-complex of Neotropical birds (Tityridae: Pachyramphus)

Lukas Musher, Peter Galante, Gregory Thom, Jerry Huntley & Mary Blair
Aim: We aim to test the biogeographic drivers of diversification and gene-flow at the Isthmus of Panama using a species complex of suboscine birds as a case study. We specifically evaluate whether diversification in these birds is better explained by continuous parapatry or a Refuge Model of periodic isolation and gene-flow due glacial cycling. Location: The Isthmus of Panama (Neotropics) Taxon: Pachyramphus aglaiae and P. homochrous (Aves: Tityridae) Methods: We develop an approach to distinguish...
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