Vartanyan, Sergey
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Wildfowl 61 - Standard Papers
Lesser White-Fronted Goose Anser erythropus: good news about the breeding population in west Chukotka, Russia
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Wildfowl 64 - Fifth International Swan Symposium
Aspects of the breeding biology of Bewick’s Swans Cygnus columbianus bewickii nesting in high densities in the Chaun River delta, Chukotka, east Russia
Abstract PDF