The British Birds Rarities Committee, estab- lished in 1959, has been supported and spon- sored by Carl Zeiss Ltd, the renowned German optical company, since 1983 (Brit. Birds 76: 475). The Carl Zeiss Award was established in 1991 (Brit. Birds 84: 589) to encourage the sub- mission of photographs, as supporting evi- dence, with written descriptions of rarities. Photographs are an important, at tim


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