Ogilvie, Malcolm
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The Wildfowl Trust Fifteenth Annual Report - Articles
Losses of Mute Swans in England in the winter of 1962-63
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Wildfowl 47 - Standard Papers
Fifty years of goose research and conservation by The Wildfowl & Wetlands Trust
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Wildfowl 47 - Standard Papers
Fifty years of wildfowl ringing by The Wildfowl & Wetlands Trust
Abstract PDF