Meng, Fanjuan, Liding Chen, Beixi Zhang, Chang Li, Gerelt Zhao, Nyambayar Batbayar, Tseveenmyadag Natsagdorj, et al. “The Migratory Mute Swan Cygnus Olor Population in East Asia”. Wildfowl (December 30, 2020): 73–96. Accessed February 13, 2026. https://tidsskrift.dk/Wildfowl/article/view/156286.