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Hybrid zone genomics supports candidate species in Iberian Alytes obstetricans

Assuming that midwife toads are able to disperse in the area of contact, we conclude that these taxa experience partial reproductive isolation and represent incipient species, i.e. Alytes almogavarii and Alytes obstetricans. Interestingly, their evolutionary age and mitochondrial divergence fall below the thresholds proposed in molecular systematics studies, emphasizing the difficulty of predicting the outcome of secondary contacts between young lineages entering the grey zone of speciation. Leer más.

https://brill.com/view/journals/amre/aop/article-10.1163-15685381-20191312/15685381_20191312_i0001.jpg

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