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 January 1969 Comments Letters White-lumped Swifts in southern Spain During 1964-67 a number of observations were made on swifts with white rumps in southern Spain, and in 1966 and 1967 breeding was proved; the species was identified by me and others as Apus affinis (Little Swift), the...
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Letters

01 January 1969 Comments Letters Turtle Dove migration in Iberia and the Middle East Dr R. K. Murton's suggestion that the autumn passage of Turtle Doves Streptopelia turtur through Portugal is misleadingly represented by the recovery of marked individuals seems to mar his otherwise exce...
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