Letter

01 April 1981
Comments Letters Tail shape of Bulwer's Petrel M. R. Alibone commented on the apparent lack of wedge shape to the tail of Bulwer's Petrel Bulweria bulwerii {Brit, Birds 73: 217). In April 1971, I saw several Bulwer's Petrels off the bulge of Africa in the vicin...
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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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