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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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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Notes

01 September 1934 Comments Notes A BLUE T I T (ParUS C. obscurus) had possession of one of my nesting boxes in Hampshire and laid an egg on each of four successive days. The next day, May 8th, no egg was laid, but another appeared on the 9th. I should say that I numbered each egg the da...
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