Search

Letters

01 February 1956 Comments Letters S I R S , -- A census of breeding Great Black-backed Gulls (Larus marinns) in England and W a l e s in 1956 has been approved as an investigation of the British Trust for Ornithology. As organise* I shall be glad of offers of help from those who are willi... Read More

Notes

01 February 1956 Comments Notes Displacement coition in the Mallard.--On ioth May, 1951, a t Clayton-le-dale, near Blackburn, Lancashire, I was engaged in watching the behaviour of a pair of Mallard (Anas platyrhynchos) tending fifteen young, which were newly hatched. T h e young fed fo... Read More

Delayed Emigration of Certain Birds in Autumn 1954

01 February 1956 Comments Main paper SEVERAL notes received by the Editors of British Birds in the winter of 1954-55 confirmed the impression of some individual observers that the departure of migratory birds, both summervisitors and passage-migrants, had been unusually delayed in the autumn... Read More

Records of Wood Sandpipers in Britain in the Autumn of 1952

01 February 1956 Comments Main paper DURING the autumn of 1952, as noted previously (antea, vol. xlv, p. 432), a considerable passage of W o o d Sandpipers (Tringa glareola) was observed in many parts of Great Britain, particularly in the south-east. There is some evidence that the numbers o... Read More