1. Bandelt HJ, Forster P, Röhl A (1999) Median-joining networks for inferring intraspecific phylogenies. Mol Biol Evol 16:37–48
2. Bruford MW, Hanotte O, Brookfield JFY, Burke T (1992) Single-locus and multilocus DNA fingerprint. In: Hoelzel AR (ed) Molecular genetic analysis of populations: a practical approach. IRL Press, Oxford, pp 225–270
3. Chen Y-C, Nazarizadeh M, Lei FM, Yang XJ, Yao CT, Dong F, Dong L, Zou FS, Drovetski SV, Liu Y, Huang CC (2019) The niches of nuthatches affect their lineage evolution differently across latitude. Mol Ecol 28(4):803–817. https://doi.org/10.1111/mec.14980
4. Cramp S (1992) The birds of the western Palearctic, vol 7. Oxford University Press, Oxford
5. del Hoyo J, Elliott A, Sargatal J, Christie DA, de Juana E (2019) Handbook of the birds of the world alive. Lynx Edicions, Barcelona