Letters

01 May 1989 Comments Letters The separation of Northern and Isabelline Wheatears. On returning to the beautifully illustrated paper 'Field identification of West Palearctic wheatears' (Brit. Birds 80: 137-157, 187-238), I noticed a feature separating Isabelline Oenanthe isabellina...
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Letters

01 January 1960 Comments Letters A n t i n g and dust-bathing Sirs,--I read with interest the paper by K. E. L. Simmons on anting behaviour {Brit. Birds, 50: 401-424). In that, Simmons rejected A. H . Chisholm's theory that anting derived from dust-bathing. In this connection, however, i...
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