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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Letters

01 July 1948 Comments Letters SIRS,---In an article on this subject (antea Vol. xl, pp. 62-4) A. Whitaker cites as examples of abnormality two diving descents by Rooks (Corvus f. frugilegus) and Jackdaws (C, monedula spermologus) from an estimated height of 600-700 feet to a freshly p...
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