Report on bird-ringing for 1952

01 August 1953 Comments Main paper This is the sixteenth reportf issued on behalf of the Committee, continuing the earlier sequence under the title " The British Birds Marking Scheme." It combines a report on the progress of ringing during 1952, with a selected list of recent recovery reco...
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Report on bird ringing for 1951

01 August 1952 Comments Main paper Bird-Ringing Committee, British Trust for Ornithology. This is the fifteenth r e p o r t ! issued on behalf of the Committee, continuing; the earlier sequence under the title " T h e British Birds Marking S c h e m e . " It is in the form instituted last ...
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Cliff-Breeding in the House-Martin

01 June 1939 Comments Main paper IN response to the editorial appeal (antea, Vol. XXXII, p, 118) for information on cliff-breeding in the House-Martin (Delichon u, urbica) a number of observers have sent in records. From these it is obvious that breeding under natural conditions is far m...
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