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 Not only has the specific name kuhlii been replaced by diomedea, in accordance with the rale of priorit...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

The Sexual Displays of Swallows

01 May 1941 Comments Main paper THE quantitative aspects of the reproduction of the Swallow (Hirundo r. rustica) have been intensively studied in the enquiries of the British Trust for Ornithology (antea, Vol. XXIX, pp. 3-21, Vol. XXX, pp. 98-116) and in many other surveys; but there re...

Nest-Sanitation

01 May 1941 Comments Main paper Faeces carried; no data for first few days ; at a late stage young defaecate from the opening ; if deposited on " doorstep " they are carried; if they fall clear they are left, even if conspicuous (B.H.R., R.G.A., A.H.M.C). [Voided at entrance of nest and...

Seventeenth-Century "Poultry"

01 May 1941 Comments Main paper has recently come to my notice a 26-page pamphlet by Adam Shewring, entitled The Plain-dealing Poulterer, and published in London in 1699. The author in his preface states that he has " thought it good after my many years experience, and knowledge gotten ...

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