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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The Walking of the Fulmar Petrel

01 July 1929
Comments Main paper " CAN any of the Petrels walk on the toes ? I think not, and believe that all the pictures in Saunders's Manual, with the exception of the one by Mr. G. E, Lodge, are incorrect, as I fear are the pictures from Lilford of . . . and the Fulmar in the backgr...
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