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Adult ‘American Black Tern’ summering in Northumberland

01 March 2023 Comments ...

Probable Black Tern x White-winged Black Tern hybrid

01 June 2021 Comments Notes ...

BB eye: Swansong – a lifetime with sparrows

01 September 2016 Comments Editorials Denis Summers-Smith I began my study of House Sparrows Passer domesticus...

Protocol for censusing urban sparrows

16 May 2011 Comments Main paper Jenny De Laet, Will J. Peach and J. Denis Summers-Smith ...

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...

Letters

01 September 2007 Comments Letters ...

American Black Tern at Weston-super-Mare: new to Britain

01 September 2006 Comments Main paper ABSTRACT A juvenile Black Tern Chlidonias niger of the American race surinamensis was found at Weston-super-Mare Water Treatment Works on 3rd October 1999, where it remained until 11th October.This represents the first record of this ...

The decline of the House Sparrow: a review

01 September 2003 Comments Main paper ABSTRACT The House Sparrow Passer domesticus population in Britain suffered a major decline in the 1920s, particularly in built-up areas, which coincided with the replacement of the horse by the internal combustion engine.The mixed fortun...

Letters

01 June 2003 Comments Letters In October 2000, the Department for the Environment, Transport and the Regions (DETR) commissioned a consortium (consisting of the BTO, the RSPB/Oxford University Farmland Bird Group, the Central Science Laboratory (CSL) and WildWings Bird Management) ...

Homes for birds: the use of houses for nesting by birds in the UK

01 November 2002 Comments Main paper ABSTRACT A joint survey, by RSPB and the BBC Radio 4 ‘Today’ programme, investigated the use of houses for nesting by four bird species (Common Swift Apus apus, House Martin Delichon urbica, Common Starling Sturnus vulgaris ...