Announcements

01 August 1997
Comments Editorials We are delighted to include with this issue a free pull-out checklist compiled in co-operation with Oxford University Press and the editors of Birds of the Western Palearctic. Anyone wishing to have this checklist included within the issue in their bou...
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Conservation Research News

01 August 1997
Comments News and comment Conservation is increasingly concerned with common declining species as well as rare ones. This poses different challenges for biologists wishing to identify the problems faced by the species. Whereas the ecology of the whole population of a very rare ...
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Comments on 'The Chalice Petrel'

01 August 1997
Comments Main paper These comments are supported by personal at-sea experience with all species under consideration, albeit some more familiar to me than others (e.g. thousands of Black and Markham's Storm-petrels, as against only one Tristram's and about 20-30 Matsudaira...
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Mystery Photographs

01 August 1997
Comments Main paper Within the Western Palearctic, European Bee-eater Merops apiaster breeds widely over a significant part of northwest Africa, across much of southern Europe from Portugal to Turkey and throughout a vast area in the east of the region, while Blue-cheeked...
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The Chalice Petrel' Revisited

01 August 1997
Comments Main paper In light of the captures of Swinhoe's Storm-petrel Oceanodroma monorhis in the Western Palearctic (Bretagnolle et al. 1991; Cubitt et al. 1992; King & Minguez 1994), it was thought unlikely that there could be more than one dark-rumped Oceanodroma ...
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Letters

01 August 1997
Comments Letters Steven Gregory (Brit. Birds 90: 150-151) has made three interesting points about hybridisation between Ruddy Ducks Oxyura jamaicensis and White-headed Ducks O. leucocephala. First, such hybridisation need not be a disaster, but could increase the adapt...
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