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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Letters

01 April 1965 Comments Letters Manx Shearwaters as prey of Peregrines Sirs,--A recent note by A. J. Gaston (Brit. Birds, 57: 466-467) stated that there did not appear to be any previous record of the Manx Shearwater Procellaria puffinus as prey of the Peregrine Fa/co peregrinus in Brit...
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