Request

01 March 2002
Comments Editorials A study of Common Crossbills Loxia curvirostra in Scotland, shortly to be published in Ibis, has shown that the birds have different call types, recognisable on sonograms of tape-recorded calls. This finding matches the results of work carried out in N...
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Request

01 March 1989
Comments Editorials Colour-marked birds: a reminder In general, we do not publish separate requests on this subject (there are too many local studies to include them all). If you see a bird marked in some way (other than with ordinary BTO rings), please report i...
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Announcements

01 March 1989
Comments Editorials If you enjoy BB, recruit a new subscriber, and qualify for the chance to win a life-long free subscription to BB for yourself and the new subscriber whom you have recruited. Using the cut-out form on page xv, send to us the subscription of a new subscr...
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