News and comment

01 November 1966
Comments News and comment World conference of the I.C.B.P.--The 14th world conference of the International Council for Bird Preservation, held in Cambridge from n t h to 15th July 1966, was attended by representatives from 31 different countries. A wide range of topics were discus...
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Letters

01 November 1966
Comments Letters Fault-bars as a means of ageing birds Sirs,---Last year I read a letter by C. J. Mead on the ageing of birds by means of fault-bars (Brit. Birds, 58: 227-228), in which he referred to the work of W. E. Glegg who noted fault-bars on the tails of 737 bird s...
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Reviews

01 November 1966
Comments Reviews Population Studies of Birds. By David Lack. Clarendon Press, Oxford, 1966. 341 pages; 1 photographic plate; many textfigures. 63s. Dr. Lack's first book on animal populations, The Natural Regulation of Animal Numbers (1954), embraced all animals, but most...
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Letters

01 July 1959
Comments Letters B L A C K B I R D S F E E D I N G ON M A R I N E W O R M S S I R S , -- I can confirm the note by Mr. Roger Harkness (antea, p. 97) on Blackbirds (Turdus merula) feeding on marine worms, strangely enough from the same part of Hampshire--at Hill Head, whic...
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Notes

01 July 1959
Comments Notes Duration of dives of Black-throated Diver.--In Sutherland on -25th May 1955 we were able to make continuous observations for nearly four hours on the diving of a Black-throated Diver (Gavia arctica). T h e site was a loch half a mile wide and seven miles ...
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