Zhao, N., C. Dai, W. Wang, R. Zhang, Y. Qu, G. Song, K. Chen, X. Yang, F. Zou, and F. Lei (2012). Pleistocene climate changes shaped the divergence and demography of Asian populations of the great tit Parus major: evidence from phylogeographic analysis and ecological niche models. Journal of Avian Biology 43(4):297–310. https://doi.org/10.1111/j.1600-048X.2012.05474.x