Letters

13 March 2014
Comments Letters D o some Wallcreepers migrate? Recent letters by David Elias, H. G. Alexander and Guy Mountfort on the movements of the Wallcreeper Tichodroma muraria referred respectively to observations in Cyprus (Brit. Birds, 63: 393-394) and the Indo-Pakistan subc...
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Letters

01 July 1978
Comments Letters Diving methods of Great Northern and Black-throated Divers On inland waters, I have noticed that Great Northern Divers Gavia immer always slither under slowly when diving, whereas Black-throated G. arctica jump upwards slightly before they dive...
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Letters

01 May 1962
Comments Letters Ringed birds in snow Sirs,--During the snowy period of early January 1962, in my garden sanctuary near Welwyn, Hertfordshire, I saw two ringed birds, a Blue Tit (Pants caerukus) and a Long-tailed Tit (Aegithalos caudatus), with their rings thickly coated ...
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