O'Halloran, John
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Wildfowl 42 - Standard Papers
The breeding biology of Mute Swans Cygnus olor in southeast Cork, Ireland
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Wildfowl 43 - Standard Papers
The population genetics of the Mute Swan Cygnus olor in Ireland
Abstract PDF -
Wildfowl 43 - Standard Papers
The behaviour of a wintering flock of Mute Swans Cygnus olor in southern Ireland
Abstract PDF