Notes

01 May 1960 Comments Notes Broken e g g s i n nests of Sparrowhawk.--I can add two records to Dr. D . A. Ratcliffe's list (Brit. Birds, 53: 128-129) of broken eggs of Sparrowhawks (Accipiter nisus), one of them showing that the phenomenon goes back some time. On 7th June 1927, near...
Read More

Letters

01 January 1957 Comments Letters " ATMOSPHERIC TURBULENCE AND BIRD F L I G H T " S I R S , -- I n his letter on the above subject (antea, vol. xlviii, p p . 557-559) I. C. T . Nisbet puts forward an ingenious theory of wind-determination by feel. While agreeing that it is possible, I als...
Read More

Notes

01 January 1957 Comments Notes Group-display of Smews.--On 5th February 1956, at Swithland Reservoir, Leicestershire, I watched a form of social display in a group of Smews (Mergus albellus) consisting of three males and two females, for a period of about half an hour, just before dusk...
Read More

Stay at the forefront of British birding by taking out a subscription to British Birds.

Subscribe Now