Spindler MA, Hall KF. Local movements and habitat use of Tundra or Whistling Swans Cygnus columbianus in Kobuk-Selawik Lowlands of northwest Alaska. Wildfowl [Internet]. 1991 Nov. 1 [cited 2026 Jun. 4];42:17-32. Available from: https://tidsskrift.dk/Wildfowl/article/view/154071