Breeding ecology and conservation of yellow wagtails Motacilla flava in intensive arable farmland
Causes of population decline in the yellow wagtail Motacilla jlava jlavissima are currently unclear. A large proportion of Britain's yellow wagtails breed on arable farmland, and factors influencing breeding productivity in this habitat could also influence national population trends. Intensive...
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University of East Anglia
2006
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.436549 |