Fig. 1 in 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

Fig. 1 Map of Pica pica s.l. subspecies. The study area in the contact zone is indicated by a rectangle. Question marks indicate regions of unclear subspecies distribution. The white star indicates the terra typica for Pica pica anderssoni in eastern China