Data from: Extensive hybridization between two Andean warbler species with shallow divergence in mtDNA

Laura Céspedes-Arias, Andrés Cuervo, Elisa Bonaccorso, Marialejandra Castro-Farias, Alejandro Mendoza-Santacruz, Jorge Pérez-Emán, Christopher Witt & Daniel Cadena
Studying processes acting on differentiated populations upon secondary contact, such as hybridization, is important to comprehensively understand how species are formed and maintained over time. However, avian speciation studies in the tropical Andes have largely focused on the role of topographic and ecological barriers promoting divergence in allopatry, seldom examining hybridization and introgression. We describe a hybrid zone involving 2 closely related Andean warblers (Parulidae), the Golden-fronted Redstart (Myioborus ornatus) and the Spectacled Redstart (Myioborus...
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