Letters

01 March 2005
Comments Letters Recent letters to British Birds question whether there has, in fact, been a real increase in breeding Honey-buzzards Pernis apivorus in Britain (Wiseman 2004), and suggest that the present population is `not certainly more than 30-50 pairs' (Mummery et...
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Letters

01 February 2000
Comments Letters Syroechkovski et al. (1998) have recently published the results of a study of Brent Geese Branta bernicla in northwest Yakutia, Russia. They claimed to have located a previously unknown contact zone of Dark-bellied Brent Goose Branta (b.) bernicla and ...
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Letters

01 April 1967
Comments Letters Eruptions of Great Tits and other species Sirs,--I was interested in Dr. C. M. Perrins's paper on the effect of the seed crop of the beech Fagus sylvatka on the populations and movements of the Great Tit Partis major (Brit, Birds, 59: 419-432). To strengt...
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