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Mystery photographs

01 February 1991 Comments Main paper Judging the size of an isolated bird is difficult, but comparison with the grass leads to the conclusion that last month's mystery bird (plate 6 in colour, repeated here in black-and-white) is 'sparrow-sized', though noticeably slim, small-headed and l...

Product reports

01 February 1991 Comments Main paper Items included in this feature have been submitted by the manufacturers or their agents. The reviews are the personal opinions of the reviewers; they are not the result of technical tests, but are assessments made after use in appropriate conditions (e...

Identification of Arctic Redpoll Carduelis hornemanni exilipes

01 February 1991 Comments Main paper There are two races of Arctic Redpoll Carduelis hornemanni: C. h. hornemanni from northern Greenland and Ellesmere Island to Baffin Island, and C. h. exilipes from the northern extremes of Fenno-Scandia, the USSR, Alaska and mainland Canada. The former...

Wigeon X Chiloe Wigeon hybrid resembling American Wigeon

01 April 1968 Comments Main paper It has been established that some interspecific hybrids among ducks and geese (Anatidae) strongly resemble one parent or even another species altogether, thus causing problems in field-identification. An extreme case in Britain is the hybrid Pochard Ay...

Studies of less familiar birds: 147. Cory's Shearwater

01 April 1968 Comments Main paper Various changes have been made in the scientific nomenclature of Cory's Shearwater since the publication of The Handbook of British Birds (1938-41). Not only has the specific name kuhlii been replaced by diomedea, in accordance with the rale of priorit...

Little Swift in Co. Cork

01 April 1968 Comments Main paper On the evening of 12th June 1967, on Cape Clear Island, Co. Cork, I was sitting on top of a steep ridge overlooking Cummer, a narrow col situated between the north and south harbours. The soft evening light was directly behind me and it was perfectly c...

Obituary: William Maitland Congreve, MC(1883-1967)

01 April 1968 Comments Main paper Major W. M. Congreve died in his sleep at his home in Bradford-onAvon, Wiltshire, on 31 st December 1967, All who met 'Mait' Congreve in later life will recall with admiration his determined efforts to overcome his handicap of an advancing and cripplin...

Influx of Great Shearwaters in autumn 1965

01 April 1968 Comments Main paper From August to October 1965 unprecedented concentrations of Great Shearwaters Puffinus gravis, with smaller numbers of Cory's Shearwaters Calonectris diomedea, were recorded off the western and northern coasts of Britain and Ireland. There was also an ...

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