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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Conservation research news

01 May 2003
Comments News and comment The Dutch Wadden Sea is of international importance for Common Eiders Somateria mollissima, with between 102,000 and 173,000 individuals spending the winter there. In the winter of 1999/2000, beached bird surveys detected a mass mortality even...
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