Sergei V. Drovetski, Georgy Semenov, Sofya S. Drovetskaya, Igor V. Fadeev, Yaroslav A. Red'kin and Gary Voelker Geographic mode of speciation in a mountain specialist Avian family endemic to the Palearctic Ecology and Evolution 3
In this study, we test whether greater diversity of habitats stratified along an elevation gradient in the mountains promotes sympatric speciation in birds. Using sequences of one mtDNA gene and one sex specific intron, we reconstructed a complete species-level phylogeny of Prunellidae, which we used to reconstruct the family's biogeographic history. Our data suggest that allopatric speciation (not to include peripatric) is the predominant geographic mode of speciation in Prunellidae despite the favorable conditions for ecological diversification in the mountains and range overlaps among species.
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