studies of the feeding habits of shore birds have largely been concerned with a bird species and one prey species at a time. A series of papers by Dewar (1908, 1910, 1913) described the predation of Oystercatchers Haematopus ostrakgus on mussels Mytilus edulis, dogwhelks Thais ( = Nucella or Purpura) lapillus and limpets Patella spp. More recent studies of the Oystercatcher by Drinnan (1957, 1958)...

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