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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Letter

01 June 1997
Comments Letters A pair of unstreaked Acrocephalus warblers nested in Orkney in 1993 (Adam & Meek 1994; Ogilvie et al. 1996). Based on (1) comparison of measurements with Walinder et al. (1988), (2) the birds' general coloration and (3) the comparative frequency of...
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Letters

01 February 1992
Comments Letters Status of Marsh Warbler in Norway Kelsey et al. (1989), in their interesting paper on the Marsh Warbler Acrocephalus palustris in Britain, summarised the species' northward expansion into the St Petersburg region and in Finland and Sweden, but made no ...
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