Announcements

01 October 1981
Comments Editorials Peterson Sound Guide discs and cassettes special offer This offer is still open this month. See pages 400-401 in September issue for details. Please resubscribe now If your subscription falls due in January and you have not alrea...
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Requests for information

01 September 1974
Comments Editorials Colour-ringed Great Black-backed GullsA three-year study of the feeding ecology of the Great Black-backed Gull Larus marinus during 1974-76 includes the colour-ringing of some 3,600 nestlings at breeding colonies in Orkney with a two-colour comb...
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