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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Fifty years agoÉ

01 April 1981
Comments Main paper 'FIELD-REFLECTIONS ON THE NESTING, SONGS AND CRIES OF THE BRITISH MARSH- AND WILLOW-TITMICE . . . The "Willow's" utterances are utterly unlike those of its cousin . . . to me at any rate, it resembles a cross between the jug of the Nightingale and the ...
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