Mathiasson, Sven
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Wildfowl 24 - Articles
A moulting population of non-breeding Mute Swans with special reference to flight-feather moult, feeding ecology and habitat selection
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1991: Wildfowl Special Issue No. 1 - SECTION FOUR: MIGRATION
Eurasian Whooper Swan Cygnus cygnus migration with particular reference to birds wintering in southern Sweden
Abstract PDF