COUGHLAN, Neil E. et al. First record of synthetic micro-fibre ingestion by Mute Swans Cygnus olor and Whooper Swans C. cygnus. Wildfowl, [S. l.], p. 72–82, 2021. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153420. Acesso em: 16 dec. 2025.