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Young Rooks, their Survival and Habits

01 April 1936 Comments Main paper I WROTE on this subject in April, 1935 (antea, Vol. XXVIII., p. 322). I have pursued it for another year and have had considerably more information, all corroborative of the preceding, but in no wise tending to increase my estimated number of surviving yo...

Habits of the Rook: Some notes on an Essex Rookery

01 March 1936 Comments Main paper FOR over twelve years I have kept regular notes on the habits of Rooks (Corvus f. frugilegus) at a rookery near my home in Essex. A considerable amount of information has been obtained during this period, but the following notes refer only to certain aspe...

Letter

01 October 1933 Comments Letters S I R S , -- I t is extremely interesting to have Mr. Dewar's notes on the Roosting of Rooks, taken t h i r t y years ago, over the same area t h a t I dealt with in the August number of British Birds. It is of great importance t h a t the two sets of not...

Letter

01 August 1933 Comments Letters SIRS,- --In his " Survey of the Rooks in the Midlands," Mr. Roebuck deals (antea, p. 23) with the change in population on breeding. But in only a few lines he tells us that, after May, either a wholesale slaughter in some rookeries or a gradual fall in nu...

The Rook Roosts of South Northumberland and the Boundaries Between their Feeding Territories

01 August 1933 Comments Main paper T H E observations on which this account is based were begun in the Christmas vacation of the winter 1931-32, when one roost was located and a knowledge obtained of the extent of its feeding territory in certain directions. In the following year from mid-...

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Young Rooks, their Survival and Habits

Habits of the Rook: Some notes on an Essex Rookery

Letter

Letter

The Rook Roosts of South Northumberland and the Boundaries Between their Feeding Territories

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