Letters

01 February 1971 Comments Letters Elusive species and the B.T.O. Ornithological Atlas project Some species are proving to be difficult to locate in fieldwork for the Ornithological Atlas. In order to prepare full maps for these species, we cannot rely solely on fieldwork carried out purel...
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Letters

01 January 1929 Comments Letters SIRS,--May I be spared a little space to invite the attention of your readers to the Annual Report of the Oxford Ornithological Society on the Birds of Oxfordshire, Berkshire and Buckinghamshire. This Report, the last issue of which you were good enough t...
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