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Congrès
Article
P. J. S. Olney ; D. H. Mills 1963-07-01Ibis, 105(3)Summary. The food and feeding habits of Goldeneye Bucephala clangula are described, based on the analyses of 51 stomach contents and a brief review of the literature. The type of food taken depends on the type of habitat being used, the availabi[...]
Article
P. J. S. Olney 1963/03/01Proceedings of the Zoological Society of London, 140(2)
Congrès
Article
P. J. S. Olney 1963-01-01Ibis, 105(1)Summary. The food and feeding habits of Tufted Duck Aythya fuligula are described, based on field observations and on the analyses of the stomach contents of 95 birds, all but one of them having fed inland; 57 were collected from a gravel pit ne[...]
Article
P. J. S. Olney 1962Wildfowl, 13(13)A study of the food habits of a hand-reared Mallard population was made after they had been released into the wild. This was based on 77 birds obtained during the four shooting seasons of 1958-62 from a 6 acre lake within a private estate near N[...]
Article
P. J. S. Olney 1960Wildfowl Trust Annual Report, 11The symptoms and pathology of lead poisoning are fully described, with special reference being made to diagnostic features which could be used in any quantitative assessment. The amount of lead shot which constitutes a fatal dose is discussed. I[...]
