Evolutionary BiologybioRxiv
Cytonuclear discordance in the crowned-sparrows, Zonotrichia atricapilla and Zonotrichia leucophrys: a mitochondrial selective sweep?
R. S. Taylor, A. C. Bramwell, R. Clemente-Carvalho…·S. C. Lougheed
The paper investigates cytonuclear discordance between two sparrow species, finding evidence of historical hybridization and mitochondrial introgression rather than recent speciation.
DOI 10.1016/j.ympev.2021.107216