Mitchell CD, Shea R, Lockman DC, Balcomb JR. Demographic analyses of a Trumpteter Swan Cygnus cygnus buccinator population in Western USA. Wildfowl [Internet]. 2013 Apr. 16 [cited 2026 Feb. 13];:142. Available from: https://tidsskrift.dk/Wildfowl/article/view/154988