Pica bottanensis (Spanish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Pica bottanensis" in Spanish language version.

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doi.org

Song, S.; Zhang, R.; Alström, P.; Irestedt, M.; Cai, T.; Qu, Y.; Ericson, P.G.P.; Fjeldså, J. et al. (2017). «Complete taxon sampling of the avian genus Pica (magpies) reveals ancient relictual populations and synchronous Late-Pleistocene demographic expansion across the Northern Hemisphere». Journal of Avian Biology 49 (2): 1-14. doi:10.1111/jav.01612.

Gill, Frank; Donsker, David, eds. (2018). «Crows, mudnesters, birds-of-paradise». World Bird List Version 8.2. International Ornithologists' Union. Consultado el 23 de enero de 2019.