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Documents disponibles écrits par cet auteur (6)
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Article
O. Curtis, Auteur ; R. E. Simmons, Auteur ; A. R. Jenkins, AuteurBlack Harrier Circus maurus is a rare southern African endemic that may have lost over 50% of its core breeding habitat in the last century as a result of extensive land transformation by agriculture, invasive alien vegetation and urbanization i[...]
Article
A. R. Jenkins, AuteurPeregrine Falcon, Falco peregrinus, and tanner Falcon, F: biarmicus, nesting habitats in South Africa ore described in terms of nest ledge, nest cliff and scree slope parameters, and the environmental context of each site. Data were collected in[...]
Article
A. R. Jenkins, Auteur ; A. J. van Zyl, AuteurWe detail the sizes, spatial distributions and trends in nest site selection of cliff-nesting raptor and raven populations resident in the mountains of the Cape Peninsula, South Africa. We also assess the conservation value of these populations [...]
Article
A. R. Jenkins, AuteurBreeding success was recorded for three Peregrine Falcon, Falco peregrinus, populations in South Africa over nine years, and for Peregrine and Fanner Falcon, F. biarmicus, populations in on area of sympatry over three years. The objectives of th[...]
Article
O. E. Curtis, Auteur ; A. R. Jenkins, Auteur
Article
A. R. Jenkins, AuteurDans Ardea (88(1) 2000)Parental care by Peregrine Falcons Falco peregrinus and Lanner Falcons F. biarmicus during the nestling period was studied in two areas of South Africa. Comparisons were made between the quality of care administered to broods of Peregrine Falcon[...]
