SHIELDS, Evan M.; ROTELLA, Jay J.; SMITH, David W. Retrospective analysis of Trumpeter Swan Cygnus buccinator decline in Yellowstone National Park, USA. Wildfowl, [S. l.], p. 89–114, 2024. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/161407. Acesso em: 13 feb. 2026.