Letters

01 December 1977 Comments Letters Black-headed Gulls foot-paddling on grassland Joh. J. Frieswijk's letter (Brit. Birds 70: 266), recording frequent observations of Black-headed Gulls Larus ridibundus foot-paddling on grassland in the Netherlands, contrasted with my note drawin...
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Letters

01 July 1977 Comments Letters Half a pair of Black-browed Albatrosses In the course of their discussion of proof of breeding (Brit. Birds 69: 277, 457), Bruce Campbell and E. J. M. Buxton omitted to comment on one important consideration: the conservation status of potentia...
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Letters

01 May 1976 Comments Letters The continuing slaughter of birds of prey in Britain Your recent editorial (Brit. Birds, 68: 481-483) on the World Conference on Birds of Prey, organised by the International Council for Bird Preservation in Vienna in October 1975, stimulates t...
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Letters

01 September 1974 Comments Letters Melanism in shearwaters and auksSince Bryan L. Sage (Brit. Birds, 65: 527) comments on the supposed rarity of melanism in Manx Shearwaters Puffinus puffinus and indeed the Procellariiformes in general, it may be worth pointing out that a dark sp...
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