Published: 2021-11-30

Contents

Eileen Rees

ppi-vi

Editorial

Eileen Rees

1-2

The Icelandic Whooper Swan Cygnus cygnus population: current status and long-term (1986-2020) trends in its numbers and distribution

Kane Brides, Kevin A. Wood, Colette Hall, Brian Burke, Graham McElwaine, Neil Calbrade, Oisí­n Hill, Eileen C. Rees, Ólafur Einarsson

29-57

First record of synthetic micro-fibre ingestion by Mute Swans Cygnus olor and Whooper Swans C. cygnus

Neil E. Coughlan, Linda Lyne, Thomas C. Kelly, Ryan Johnston, Craig Holmes, Rose M. Griffith, Jaimie T.A. Dick, Kane Brides, Connie Baker-Arney, Eoghan M. Cunningham

72-82

Seasonal changes in the diet of Mute Swans Cygnus olor in the recently colonised eastern Gulf of Finland

Sergei A. Kouzov, Yulia I. Gubelit, Anna V. Kravchuk, Elena M. Koptseva, Elmira M. Zaynagutdinova, Valentina N. Nikitina

83-107

Habitat selection and foraging strategy of American Black Ducks Anas rubripes wintering in Tennessee, USA

Joshua M. Osborn, Heath M. Hagy, Matthew D. McClanahan, J. Brian Davis, Matthew J. Grey

120-146

Assessing the current status of the Common Pochard Aythya ferina in Armenia

Karen Aghababyan, Anush Khachatryan, Sevak Baloyan, Asya Ghazaryan, Victorya Gevorgyan

147-166

Strong evidence for two disjunct populations of Black Scoters Melanitta americana in North America

Timothy D. Bowman, Matthew C. Perry, Jean-Pierre L. Savard, Daniel H. Rosenberg, W. Sean Boyd, Daniel Esler, Paul L. Flint, Jason L. Schamber, Scott G. Gilliland, Jason E. Osenkowski

179-192