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Article
Adrian J. F. K. Craig, Auteur ; W. R. J. Dean, AuteurThe Beaty Biodiversity Museum in Vancouver, British Columbia, Canada, holds a collection of 498 specimens of 275 bird species presented by Lionel E Taylor, who worked in South Africa for the Department of Forestry from 1902 to 1911. Most specim[...]
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R. K. Brooke, Auteur ; D. G. Allan, Auteur ; J. Cooper, Auteur ; D. P. Cyrus, Auteur ; W. R. J. Dean, Auteur ; B. M. Dyer, Auteur ; A. P. Martin, Auteur ; R. H. Taylor, AuteurThe Greyheaded Gull Larus cirrocephalus occurs throughout southern Africa, both coastally and inland, and has bred at one time or another at 67 known localities since the 1860s. Most of these sites have been occupied by small numbers of birds, e[...]
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W. R. J. Dean, Auteur ; S. J. Milton, AuteurA collection of almost 830 specimens of birds and their eggs was made at Deelfontein, Northern Cape province, South Africa, in 1901 and 1902, by two soldiers who had enlisted in the Yeomanry during the South African (Boer) War. A total of 151 bi[...]
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R. E. Simmons, Auteur ; P. Barnard, Auteur ; W. R. J. Dean, Auteur ; G. F. Midgley, Auteur ; W. Thuiller, Auteur ; G. Hughes, AuteurGlobal climate warming, now conclusively linked to anthropogenically-increased CO(2) levels in the earth's atmosphere, has already had impacts on the earth's biodiversity and is predicted to threaten more than 1 million species with extinction b[...]
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W. R. J. Dean, Auteur ; S. J. Milton, AuteurComparative surveys of bird species richness and abundance showed that a total of 69 bird species was recorded on 1 km transects (n = 996) through shrubland, with a total estimated density of birds of 32.7 +/- 32.8 (S.D.) birds/km(2), of which r[...]
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W. R. J. Dean, Auteur
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W. R. J. Dean, Auteur ; S. Milton, AuteurThe behaviour and activities of 6 458 raptors; (Accipitridae and Falconidae) and 1 947 Corvidae in the Karoo, South Africa, were recorded during the period January 1988 to June 2000 (n = 208 surveys) over a total distance of 90 012km. A signific[...]
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A. Schwarzenberger, Auteur ; W. R. J. Dean, AuteurWe surveyed the bird species richness and abundance at 12 sites in gardens and four sites in natural woodlands at Prince Albert, Western Cape, South Africa, over a two-month period, from 14 September to 15 November 1999. Bird numbers were estima[...]
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W. R. J. Dean, Auteur ; M. P. S. Irwin, Auteur ; D. J. Pearson, Auteur
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Michael S. L. Mills, Auteur ; W. R. J. Dean, AuteurDetails of 12 species and 16 species from species splits that are new to the list of birds for Angola are presented. Range extensions and new distribution records for a further 50 species, including 16 species previously considered to have very [...]
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S. J. Milton, Auteur ; W. R. J. Dean, Auteur
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Article
W. R. J. Dean, Auteur ; S. J. Milton, Auteur ; M. D. Anderson, Auteur
