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...
Read More

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...
Read More

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now