Non-native breeding birds in the UK, 2009–11 01 March 2014 Comments Main paper Abstract ... Read More
Recent reports 01 March 2014 Comments This summary of unchecked reports covers the new arrivals in the period from early January to early February 2... Read More
Separation of Willow Tit and Marsh Tit in Britain: a review 16 November 2009 Comments Main paper These sound files accompany a paper on the separation of Willow and Marsh Tits, published in BB in November 2009: ... Read More