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Letter

01 July 1946 Comments Letters SIRS,---The statement (antea, p. 58) of Fr. Haverschmidt t h a t " I t seems that field observations are inadequate on this point, at least in Great Britain " is an injustice to British ornithology and ornithologists. As far back as 1896 there is evidence...

Notes

01 July 1946 Comments Notes Ox February 22nd, 1946, I received word from David Reid that a pair of Ravens {Corvus c. corax) were building a nest in a small Ayrshire heronry. I visited the site two days later and the nest, which could be distinguished from the Herons' by the presenc...

Report of the Black Redstart inquiry for 1945

01 July 1946 Comments Main paper THIS is the second annual interim Report of the Black Redstart Inquiry, and deals with the breeding status of the Black Redstart {Phcenicurus ochrurus gibraltariensis) in the British Isles in 1945, together with certain breeding records for former years t...

The index of the Heron Population, 1945

01 July 1946 Comments Main paper THE number of reports on sites occupied by Herons in 1945, which were received at the Edward Grey Institute, was 137, or 26 more than in the previous year. This increase was mainly clue to the co-opcration of those taking part in rookery censuses, a numbe...

The food of the Wigeon and Brent Goose

01 July 1946 Comments Main paper The following report on the food of the Wigeon (Anas penelope) and Brent Goose (Branta bernicla) forms part of an inquiry into the food of British wildfowl, which I had been carrying out for some years before the outbreak of War. Since August 1939 no work...

Recovery of Marked Birds

01 November 1939 Comments Main paper Oundle (Northants), 12.1.39 [62 m. W.]. Great Ouse Estuary (Nor folk), 21.1.39 [25 m. W.]. Saltmills (Wexford), 5.2.39. Kalinin, West Russia, 15.9.38 [56Â°52'N., 36Â°E.]. Mouth of R. Welland (Lines), 24.12.38 [76 m. NW.].Saltash (Cornwall), 12.1.39 [9...

Birds seen on an autumn and a spring Atlantic Crossing

01 November 1939 Comments Main paper IN the autumn of 1938 and the spring of 1935 I made voyages across the Atlantic. The first one was in the "Europa" from Cherbourg to New York and the secondin the "Columbie" from Guadeloupe in the Leeward Isles to Plymouth. Several hours counting of birds...

Observation on Swallows and House-Martins at the Nest

01 November 1939 Comments Main paper RECENT studies of the parental care by African Hinindinidae and Swifts have suggested that, in addition to specific differences in the share taken by the sexes, certain rhythms of the behaviour may be specific, especially the favourite duration of the in...

Letter

01 November 1939 Comments Letters SIRS,--The extension of the breeding range of the Lapwing {Vanellus vanellus) to Fokstumyren referred to in my previous letter (antea, p. 118) is certainly recent. Neither H. Tho. L. Schaanning in 1917 nor H. L. Ldvenskiold in 1929 and 1930 found the bird...

Reviews

01 November 1939 Comments Reviews Report of Marlborough College Natural History Society, 1938. T H E number of bird-observers this year is low, b u t we may hope t h a t this is only a temporary fluctuation. A very late Willow-Warbler is recorded for November oth, a Greenshank was seen in...

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Letter

Notes

Report of the Black Redstart inquiry for 1945

The index of the Heron Population, 1945

The food of the Wigeon and Brent Goose

Recovery of Marked Birds

Birds seen on an autumn and a spring Atlantic Crossing

Observation on Swallows and House-Martins at the Nest

Letter

Reviews

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