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Rook numbers in Nottingham over 35 years

01 January 1975 Comments Main paper ...

The behaviour of adult tits towards other birds and mammals near the nest

01 January 1975 Comments Main paper ...

Some obersvations on the repoductive behaviour of Rooks

01 January 1975 Comments Main paper ...

Rook numbers in Nottinghamshire over 35 year

01 September 1971 Comments Main paper frugilegus in Nottinghamshire in 1962 and compares the figures with those from four other censuses in the previous 34 years. The first counts were made by A. Roebuck in 1928 (Roebuck 1933) and again in 1932. There was then a wartime census by A. I. H. Doc...

The Sequence of Plumages of the Rook, With Special Reference to the Moult of the " Face."

01 May 1963 Comments Main paper I T has always been a disputed point as to whether the Rook (Oorvus f. frugihgus) gets its bare " face " by means of abrasion of the feathers or by a moult. Most ornithologists have favoured the moult theory or have regarded it as a " natural peculiarity....

The food of nestling Rooks near Oxford

01 September 1959 Comments Main paper frugilegus) carried out while I was holding a Nature Conservancy Post-Graduate Studentship at the Edward Grey Institute, Oxford, in 1952 and 1953. All four rookeries concerned were within 10 miles of Oxford and were on rather similar farming land. T h e f...

The nesting of a pair of Blue Tits

01 May 1952 Comments Main paper 1951 we were able to study a pair of Blue Tits (Parus aeruleus) nesting in a garden at Wilnecote, north Warwickshire, and the following are some of the more outstanding observations. Both birds had been trapped and colour-ringed in the winter. They were t...

The Building of A Rookery

01 January 1951 Comments Main paper OGILVIE OBSERVATIONS on Rook (Corvus frugilegus) behaviour during the incubation period and in winter have been recorded in previous issues of British Birds (antm, vol. xl, pp. 135-139, and xlii, pp. 65-68). The notes which follow are based on a study of...