Introgression at the emerging secondary contact zone of magpie Pica pica subspecies (Aves: Corvidae): integrating data on nuclear and mitochondrial markers, vocalizations, and field observations

Kryukov, A.P.; Goroshko, O.A.; Arkhipov, V.Y.; Red’kin, Y.A.; Lee, S.; Dorda, B.A.; Kryukov, K.A.; Kapun, M.; Haring, E.

Авторы: Kryukov Alexey P., Goroshko Oleg A., Arkhipov Vladimir Y., Red’kin Yaroslav A., Lee Sang-im, Dorda Beatriz A., Kryukov Kirill A., Kapun Martin, Haring Elisabeth
Журнал: Organisms Diversity and Evolution
Номер: 7
Год издания: 2022
Издательство: Elsevier BV
Местоположение издательства: Netherlands
Первая страница: 1
Последняя страница: 28
DOI: 10.1007/s13127-022-00568-6
Аннотация: Zones of secondary contact provide a good opportunity to investigate the origin and dynamics of reproductive isolation between related populations. We analyzed genetic and phenotypic patterns and gene flow between two subspecies of the Eurasian magpie Pica pica s.l. which recently came into contact after presumably long periods of isolation. We describe the distribution of subspecies in a young contact zone at Argun’ river basin in southern Siberia where populations occur in parapatry and an older hybrid population in eastern Mongolia. Based on genome-wide SNP data, we analyzed patterns and strength of gene flow between the subspecies. Our results indicate occasional hybridization with backcrossing and asymmetric introgression along a wide range in Transbaikalia and locally in eastern Mongolia. Males of P. p. jankowskii apparently exhibit higher dispersal ability towards the west compared to P. p. leucoptera (towards the east). The former occasionally migrates to eastern Mongolia and Transbaikalia where introgression of nuclear, but not mitochondrial DNA was evident. Bioacoustic investigations showed differences between the subspecies in speed and structure of vocalization. We discovered intermediate calls of hybrid magpies and bilingual birds alternating calls that are typical for the two taxa. Furthermore, we found dramatically decreased reproductive success in hybridogeneous populations. By complementing our results with established phylogeographic patterns of P. pica s.l. based on a mitochondrial marker sequence, and considering indications of sterility of hybrids in the contact zone, we propose to elevate the two corresponding subspecies to species level: P. pica for the western form and P. serica for the eastern form.
Добавил в систему: Редькин Ярослав Андреевич

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Introgression at the emerging secondary contact zone of magpie Pica pica subspecies (Aves: Corvidae): integrating data on nuclear and mitochondrial markers, vocalizations, and field observationsстатья

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