Rozenfeld, Sonia B.
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2020: Wildfowl Special Issue No. 6 - Standard Papers
Two distinct flyways with different population trends of Bewick's Swan Cygnus columbianus bewickii in East Asia
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2020: Wildfowl Special Issue No. 6 - Standard Papers
Population trends and migration routes of the East Asian Bean Goose Anser fabalis middendorffii and A. f. serrirostris
Abstract PDF