The use of agricultural land by common gulls (Larus canus L.) wintering in north-east Scotland
The seasonal changes in numbers of Common Gulls wintering in the Ythan Valley were studied over a period of three years. The observed changes were related to changes in the availability of food resources. The numbers of Common Gulls present in the study area were highest in autumn when immigrants fr...
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University of Aberdeen
1981
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.592357 |