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 December 1976 Comments Letters Migration in the doldrums D. I. M. Wallace expressed an atavistic 'Viewpoint' (Brit. Birds, 68: 202-203) that it was time for 'a resumption of migration studies related to conservation', and suggested setting up a working party to promote it. T...
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