Hybrid Great Tit x Blue Tit

01 April 2021 Comments Notes On 2nd February 2019, CE was mist-netting at a garden feeder near Hexham, in Northumberland, at a site where he has trapped in excess of 20,000 Great Tits Parus major and Blue Tits Cyanistes caeruleus (approximate ratio 1:2) since 1985. A...
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Letters

01 December 1984 Comments Letters Tufted Duck carrying young. In connection with the recent notes by Montse Carbonell and Stephen B. Edwards (Brit. Birds 77: 318-319), I should like to draw attention to a previous published account by my husband, the late Dr Jeffery Harrison, of a fema...
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Mystery photographs

01 February 1983 Comments Main paper A warbler scuttles through the reed fringe and stops, partly obscured by reed stems. Some pretty quick assimilation of field characters is called for before it dives back into the depths. Those who have studied the different structure and facial patter...
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