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 February 1976 Comments Notes Peregrine and Raven possibly contaminated by Fulmar oil With reference to R. A. Broad's paper on Fulmar Fulmarus glacialis oil contamination (Brit. Birds, 67: 297-301), the following observations of possible oiling may be of interest. On 10th J...
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