Stipniece, Antra
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2019: Wildfowl Special Issue No. 5 - Standard Papers
Long-term population trends and shifts in distribution of Bewick’s Swans Cygnus columbianus bewickii wintering in northwest Europe
Abstract PDF -
2019: Wildfowl Special Issue No. 5 - Standard Papers
Whooper Swan Cygnus cygnus January population censuses for Northwest Mainland Europe, 1995–2015
Abstract PDF