WŁODARCZYK, Radosław. Behavioural response of breeding Mute Swans Cygnus olor to lockdown measures: a case study. Wildfowl, [S. l.], p. 222–233, 2024. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/156364. Acesso em: 13 feb. 2026.