Letters

01 May 1984 Comments Letters Recording and use of observations made abroad. With interest and participation in foreign tours, informal overseas birdwatching trips and the like growing year by year, I wonder if I might make a plea for more informed note-taking by those visiting orn...
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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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