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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 ...

Barn Owls and Common Kestrels fighting over nestbox ownership

01 March 2021 Comments Notes ...

Breeding behaviour of Common Kestrels in southern England

01 April 2020 Comments Main paper ...

Notes

01 August 2018 Comments Notes ...

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...

The Common Kestrel population in Britain

01 May 2008 Comments Main paper ...

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 ...

Little Gulls at sea off Yorkshire in autumn 2003

01 September 2004 Comments Main paper ABSTRACT During autumn 2003, record numbers of Little Gulls Larus minutus were present off the Yorkshire coast.This paper estimates the extent of this gathering and describes the birds' behaviour, based on observations from both sea and land.The context o...

Monthly marathon

01 March 2004 Comments Other Photo no. 203 (plate 77) shows three falcons gathered at the entrance to what is obviously a nest-site. Most birders will immediately recognise these birds as kestrels and, with just two species breeding within the Western Palearctic, the choice lies b...