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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 Not only has the specific name kuhlii been replaced by diomedea, in accordance with the rale of priorit...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 ...

Bird foods and feeding-habits as subjects for Amateur research

01 July 1957 Comments Main paper I N THE STRAIGHT-FORWARD, descriptive natural history of any species, the food which it eats is an obvious item. T h e century and a half of scientific ornithology which has followed The Natural History of Selborne has seen the compilation of qualitative ...

Notes on Nesting Nightjars

01 July 1957 Comments Main paper THE following observations were made in late June and early July 1952-56, round Westleton in Suffolk, where Nightjars (Caprimulgus europaeus) breed not uncommonly on sandy heaths similar to those where I studied the species fifty miles N . N . W . , round...

Further aircraft Observations of birds in flight

01 July 1957 Comments Main paper T H I S PAPER sets out observations of birds seen from aircraft (see Table I), subsequent to those published in my previous paper (antea, vol. xlviii, pp. 59-70). AH observations are based on the same limitations and criteria of identification, height and...

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