Attributes / relations provided by
♦ ¹del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ ²Wang, J., Fang, Y., Klaus, S., & Sun, Y. H. (2012). Winter foraging strategy of the Chinese Grouse (Bonasa sewerzowi): ecological and physiological factors. Journal of ornithology, 153(2), 257-264.