AUGST, Hans-Joachim; HÃ¤LTERLEIN, Bernd; FABRICIUS, Katrin. From stopover to wintering: Bewick`s Swans Cygnus columbianus bewickii in Schleswig-Holstein, northern Germany in winters 2016/2017 and 2017/2018. Wildfowl, [S. l.], p. 139–163, 2019. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/154487. Acesso em: 16 dec. 2025.