Letter

01 December 2008 Comments Letters We who learnt our migrants from the Witherby Handbook and post-war observatories were told to be patient when the target was our first `Greenland Wheatear' Oenanthe oenanthe leucorhoa. `None before the last third of April and most in May' was the sum o...
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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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