Spray, C J
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Wildfowl 43 - Standard Papers
The effect of neck collars on the behaviour, weight and breeding success of Mute Swans Cygnus olor
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1991: Wildfowl Special Issue No. 1 - SECTION TWO: POPULATION STUDIES
Population dynamics of Mute Swans Cygnus olor in the Outer Hebrides, Scotland
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1991: Wildfowl Special Issue No. 1 - SECTION THREE: BREEDING
The breeding success of Whooper Swans Cygnus cygnus nesting in upland and lowland regions of Iceland - a preliminary analysis
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1991: Wildfowl Special Issue No. 1 - SECTION SIX: BIOMETRICS, PHYSIOLOGY AND GENETICS
Moult and dispersal of Mute Swans Cygnus olor in East Scotland: a preliminary analysis
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