Black, J M
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Wildfowl 52 - Standard Papers
Foraging efficiency in Barnacle Geese Branta leucopsis: a functional response to sward height and an analysis of sources of individual variation
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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
Abstract PDF