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Predation of migrant birds by gulls

01 August 1973 Comments Main paper Gulls Larus have a very diverse feeding ecology, but vertebrates form a significant part of the diet of some species (Tinbergen 1953). They are well known for their depredations on the eggs and young of colonial seabirds; they also attack and kill inju... Read More

Current developments in the work of the Rarities Committee

01 August 1973 Comments Main paper During 1972, and more particularly at its annual meeting in March 1973, the Rarities Committee has reviewed many points of policy and practice. Conscious of the criticism that it periodically attracts, it remains anxious to conduct its work as openly a... Read More

LETTERS: THE DIVING-HABITS OF THE LONG-TAILED DUCK; FLEDGING-PERIODS OF WOOD-PIGEON AND ROBIN; FULMARS BREEDING IN DURHAM

01 November 1929 Comments ... Read More

Letters

01 April 1929 Comments Letters SIRS,--The observations conducted b y Messrs. Ingram and Salmon on the dives of the Long-tailed Duck (antea, p . 264) reopen a veryinteresting question, and one which, I think, is still some way from being satisfactorily answered. In estimating the averag... Read More