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 2011
Comments Notes In mid November 2009, an unfamiliar marsh tern appeared at Al Wathba Lake, some 40 km east of Abu Dhabi, UAE. Among some 40 Whiskered Chlidonias hybrida and two White-winged Black Terns C. leucopterus, it was distinctly darker and appeared superfi- cially...
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