Movements of Ringed Birds from Abroad to the British Isles and from the British Isles Abroad Addenda V1. Omitting records of British-bred birds
01 August 1939
LEACH, HITHERTO in this series of articles we have thought it best to collect together all records of ringed birds, which have moved either from this country to abroad or from abroad to this country. This has meant a certain amount of duplication as the ...