Haplotype networks showing intra- and interspecific variation of A) the white-winged snowfinch, Montifringilla nivalis (including the sequence data set by Resano-Mayor et al. 2016) based on 341 bp cytochrome-b (n= 87); B) Blanford’s snowfinch and Père David’s snowfinch (Pyrgilauda blanfordi, P. davidiana), based on 819 bp cytochrome-b (n=23); C) the Cape Verde endemic Iago sparrow (Passer iagoensis) compared to the house sparrow (P. domesticus; population from eastern Germany from Päckert et al. 2019) based on 773 bp ND2 (n=29).