Letters

01 June 1991 Comments Letters Keeping warm. In his useful 'Birdcraft' article on clothing for birdwatchers (Brit. Birds 84: 27-30), Dr M. A. Ogilvie could have given one more useful tip of which a surprisingly large number of birdwatchers are apparently unaware. Most farmworkers, e...
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Letters

01 July 1985 Comments Letters Origin of British Glaucous Gulls. I read with interest A. R. Dean's comments on the possible origins of Glaucous Gulls Larus hyperboreus in Britain and related incidences of occurrences of hybrid Glaucous X Herring Gulls L. argentatus {Brit. Birds 77: ...
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