Subspecies Taxonomy and Inter-Population Divergences of the Critically Endangered Yellow-Breasted Bunting: Evidence from Song Variations oleh Wenshuang Bao, Atul Kathait, Xiang Li, Kiyoaki Ozaki, Yukihiro Hanada, Alexander Thomas, Geoffrey John Carey, Jun Gou, Batmunkh Davaasuren, Makoto Hasebe, Paul Ian Holt, Lukas Pelikan, Zhongyong Fan, Siyu Wang, Xiaoying Xing