Letters

01 November 1986
Comments Letters Depths to which auks dive. With reference to the recent note on 'Razorbill [Alca torda] swimming at depth of 140 m' (Brit. Birds 79: 339), I draw attention to a paper published in The Auk last year on 'Diving depths of four alcids' by John F. Piatt and...
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Letter

01 September 1946
Comments Letters SIRS,--In t h e course of a study of t h e breeding population of Oystercatchers (Hmmatopus ostralegms occidenialis) on the islands of Skomer and Skokholm this year we have ringed a number of chicks with coloured rings. Though the main purpose of this has...
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