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 Not only has the specific name kuhlii been replaced by diomedea, in accordance with the rale of priorit...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

Field notes on the nesting habits of the Great Northern Diver

01 January 1950 Comments Main paper (Plates 1--9). THE following notes on the Great Northern Diver (Colymbus immer) were made chiefly at a nest on the great lake of Thingvallavatn in South-west Iceland during June, 1949. They are supplemented by field notes made during the previous June in ...

The pseudo-sleeping attitude of the Oyster-catcher

01 January 1950 Comments Main paper (Fair Isle Bird Observatory) IT IS well-known from the work of Makkink (1942) and Edwards et al. (1948) that in certain situations the Oyster-catcher (Hcematopus ostralegus) adopts a " pseudo-sleeping " attitude. The bird stands on one or both legs, with ...

Notes on the breeding of the Pied Flycatcher

01 January 1950 Comments Main paper BROWN (I) and Taylor (7) have described the origins and history up to 1944 of the occupation by Pied Flycatchers (Muscicapa hypoleuca) of nestboxes put up by the Forestry Commission in an Â· area of mature oakwood in the Forest of Dean, Gloucestershire...

Bird skeletons found in a hollow tree

01 January 1950 Comments Main paper IN January, 1948, a number of bird skeletons were found by Mr. Robert Aldridge in a hollow in the trunk of a wych elm felled near Fleet, Hants. As the writer was unable to examine the tree with the bones in situ Mr. Aldridge very kindly arranged for the m...

Dancing display of the Wheatear

01 January 1950 Comments Main paper [We have received, curiously enough, a t approximately the same time two independent accounts of the remarkable leaping or dancing display of the Wheatear, of which, so far as we are aware, only two descriptions previously existed in ornithological liter...

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