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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American Wigeon

01 January 2003 Comments Main paper ABSTRACT The numbers of American Wigeons Anas americana recorded in Britain & Ireland have increased significantly since the establishment of BBRC in 1958, and records ceased to be considered by the Committee from 1st January 2002.The...
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Notes

01 January 1979 Comments Notes Success of artificial island nest-sites for divers  The breeding success of divers Gavia in south mainland Argyll has been very poor For some years (e.g. one young from eight pairs): too low to ensure maintenance of the populatio...
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