01 August 1952
Comments Letters SIRS,--The Ibis for April 1953 will include a group of papers on Visible Migration (particularly in passerine birds) as observed in various countries. The newly-formed Sub-committee on Visible Migration of the British Trust for Ornithology (see below) fee...
Read More

Territory Reviewed

01 December 1933
Comments Main paper I T is now some twenty-five years since the theory of " territory " in bird life was enunciated b y Eliot Howard (1907-14, 1920, 1929) as the result of his intensive study of the behaviour of some of the Warblers and Buntings. The attractive nature of the...
Read More

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

Subscribe Now