Reports from Britain of Black-headed Gulls Ringed in the Oberlausitz, East Germany

" L A R G E NUMBERS of ringed Black-headed Gulls (Larus ridibundus) are reported in Britain each winter, the places of origin being chiefly the countries of northern Europe, with a not inconsiderable number from Czecho-Slovakia, Saxony and B a v a r i a " (Leach, 1956). In view of this statement, it is of interest to consider the British and other recoveries of Black-headed Gulls ringed by us as you...