Hybrid speciation in sparrows I: phenotypic intermediacy, genetic admixture and barriers to gene flow.

@article{Hermansen2011HybridSI,
  title={Hybrid speciation in sparrows I: phenotypic intermediacy, genetic admixture and barriers to gene flow.},
  author={Jo S Hermansen and Stein Are Saether and Tore Oldeide Elgvin and Thomas Borge and Elin Hjelle and G P Saetre},
  journal={Molecular ecology},
  year={2011},
  volume={20 18},
  pages={3812-22}
}
Homoploid hybrid speciation is thought to require unusual circumstances to yield reproductive isolation from the parental species, and few examples are known from nature. Here, we present genetic evidence for this mode of speciation in birds. Using Bayesian assignment analyses of 751 individuals genotyped for 14 unlinked, nuclear microsatellite loci, we show that the phenotypically intermediate Italian sparrow (Passer italiae) does not form a cluster of its own, but instead exhibits clear… CONTINUE READING
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