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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Monthly marathon

01 January 2001
Comments Other Bearing in mind some of the more extraordinar y guesses submitted for previous photographs in this Monthly Marathon series, such as a Crimson-winged Finch Rhodopechys sanguinea that, to one contestant, looked like a Mandarin Duck Aix galericulata, it i...
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