COX, S. Survey of blood lead levels in trumpeter swans (Cygnus buccinator) in Ontario, Canada. Wildlife Rehabilitation Bulletin, [S. l.], v. 43, n. 1, p. 7–11, 2025. DOI: 10.53607/wrb.v43.268. Disponível em: https://nwrajournal.online/index.php/bulletin/article/view/268. Acesso em: 10 may. 2026.