Notice

01 August 1961
Comments Editorials Possible charter flight to America for XIII International Ornithological Congress.--The cost of travel to the United States may cause a major reduction in the European attendance at the XIII International Ornithological Congress at Cornell University in J...
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Requests for information

01 August 1961
Comments Editorials Colour-ringed Black-headed Gulls.--As part of a population and behavioural study of the Black-headed Gull (Lams ridibundus), 1,500 juveniles were marked in June 1961, at Ravenglass, Cumberland, with a black plastic ring on the left leg and a metal ring on...
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