Notes

01 September 1971 Comments Notes Female Golden Orioles in male plumage In the first part of his current series on 'Scarce migrants in Britain and Ireland during 1958-67' (Brit. Birds, 62: 169-189) D r J. T. R. Sharrock was right to point out that first-year male Golden Orioles Oriolus or...
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A study of Swift weights

01 September 1971 Comments Main paper N E A R L Y A L L OF 2,546 Swifts Apus apus caught at Rye Meads Sewage Purification Works, Hertfordshire, in the late spring and summer of 1962 (845) and 1963 (1,701) were weighed and examined before being ringed and released. The pattern of the weights w...
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