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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 ...

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...

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 ...

Monthly marathon

01 June 2003 Comments Other ...

Recent reports

01 October 2001 Comments News and comment This summary of unchecked reports covers late August to mid September ...

Notes

01 September 2001 Comments Notes It is well known that a staple component in the diet of European Honey-buzzards Pernis apivorus is social wasps (Vespidae), in particular their pupae and larvae... ...

Identification of marsh terns in juvenile and winter plumages

01 July 1989 Comments Main paper The three marsh terns, Whiskered Chlidonias hybridus, Black C. niger and White-winged Black C. leucopterus, were for a long time considered very difficult to tell apart in juvenile and winter plu...

Mystery photographs

01 April 1983 Comments Main paper Last month's warbler (plate 57, repeated here) should have been identified instantly by readers with long memories, for Irene Neufeldt's photograph originally appeared in British Birds some 15 years ago (60: plate 31a). Let us, however, start from scra...

Juvenile and winter plumages of the Marsh terns

01 June 1960 Comments Main paper Migration Research Officer, B.T.O. (Plate 36) I D E N T I F I C A T I O N of the three British marsh terns (Chlidonias spp.) outside the breeding season has long constituted a problem for the bird-watcher. There is a cautionary note in The Handbook of Bri...

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Adult ‘American Black Tern’ summering in Northumberland

Probable Black Tern x White-winged Black Tern hybrid

Notes

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

Monthly marathon

Recent reports

Notes

Identification of marsh terns in juvenile and winter plumages

Mystery photographs

Juvenile and winter plumages of the Marsh terns

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