Bishop, Mary A, Canjue Zhouma, Song Yanling, Jim Harkness, and Gu Binyuan. “Winter Habitat Use by Black-Necked Cranes Grus Nigricollis in Tibet”. Wildfowl 49 (November 1, 1998): 228–241. Accessed April 4, 2026. https://tidsskrift.dk/Wildfowl/article/view/154600.