OLSON, David; WARREN, Jeff; REED, Tom. Satellite-tracking the seasonal locations of Trumpeter Swans Cygnus buccinator from Red Rock Lakes National Wildlife Refuge, Montana, USA. Wildfowl, [S. l.], p. 3–16, 2013. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153939. Acesso em: 16 dec. 2025.