Letter

01 July 2008 Comments Letters Collinson & Melling (2008) discussed the potential pitfalls of identifying vagrant Iberian Chiffchaffs Phylloscopus ibericus (Brit. Birds 101: 174­188). Some of their statements prompt a correction and a discussion. Their paper showing the breedin...
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Letters

01 November 1990 Comments Letters Sexual dimorphism of Marsh Tit. Both Gosler & King (1989) and Nilsson & Smith (1988) have recently reported sexual dimorphism in the intensity of the black of the cap on Marsh Tits Parus palustris (adults and first-years), males having markedly...
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