Mystery photographs

01 January 1978
Comments Main paper Although plumage features are important in the identification of any bird, experienced field ornithologists tend to make much use of the way that it moves, its structure and its shape--the factors that go to make u p its 'jizz'. Mystery photograph 13 (...
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Editorial

01 January 1978
Comments Editorials Few birdwatchers are systematists or have any real knowledge of taxonomy and the reasons behind scientific nomenclature. We all, however, make constant use of classification: even non-ornithologists can recognise a duck as a duck or a thrush as a thrus...
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