| Titre : | Ostrich 76(3-4) - OCT 2005 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
K. M. Calf, Auteur ;
L. G. Underhill, Auteur
Article
A. R. Jenkins, Auteur ;
A. J. van Zyl, Auteur
We 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
G. Malan, Auteur
Article
L. S. Warburton, Auteur ;
M. R. Perrin, Auteur
The nest-site characteristics and breeding biology of the Black-cheeked Lovebird Agapornis nigrigenis in their natural habitat and in captivity were investigated as part of a wider study of the ecology of the species. Seventy-eight nests were fo[...]
Article
Y. Ropert-Coudert, Auteur ;
D. Gremillet, Auteur ;
H. Gachot-Neveu, Auteur ;
S. Lewis, Auteur ;
P. G. Ryan, Auteur
Article
D. Engelbrecht, Auteur
Breeding of the poorly-known eastern population of the Short-clawed Lark (Certhilauda chuana) was observed at 22 nests over a two-year period in the Polokwane Game Reserve, South Africa. This study is the first to report territory size, breeding[...]
Article
H. D. Oschadleus, Auteur ;
T. Osborne, Auteur
Seasonal variation in body mass and wing length, and the onset and duration of primary moult, were investigated for Chestnut Weavers from northern Namibia. Body mass of adult males was 31.2g (SID 2.6), and adult females weighed 27.4g (SD 1.9). B[...]
Article
B. Childress, Auteur ;
D. Harper, Auteur ;
B. Hughes, Auteur ;
C. Ferris, Auteur
Morphological measurements and blood samples were taken from 154 Lesser Flamingos Phoenicopterus minor, including adults (>3 years old), immature sub-adults (2-3 years old) and first-year juvenile birds of both sexes, captured at Lake Bogoria, K[...]
Article
S. Soobramoney, Auteur ;
C. T. Downs, Auteur ;
N. J. Adams, Auteur
Geographic variation among four Common Fiscal subpopulations along an altitudinal gradient in South Africa demonstrated significant variation of 13 morphological features and 38 skeletal characters. Common Fiscals were largest in cooler, less hu[...]
Article
R. Yosef, Auteur ;
N. Chernetsov, Auteur
Ecological barriers are the riskiest phases of the annual migrations for migratory birds. Comparatively little field data exists pertaining to the ability of migratory birds to prepare for the challenges of crossing ecological barriers, or their[...]
Article
C. H. Sekercioglu, Auteur ;
A. Riley, Auteur
In January 2004 we conducted a rapid assessment of the avifauna of the Kumbira Forest, situated in the Gabela Important Bird Area (IBA) of the Angolan Escarpment. We recorded 112 species in the Kumbira Forest, four of them globally threatened, a[...]
Article
L. S. Warburton, Auteur ;
M. R. Perrin, Auteur
Foraging behaviour and feeding ecology of the Black-cheeked Lovebird Agapornis nigrigenis were studied in Zambia. The birds fed on at least
Article
D. Currie, Auteur ;
R. Bristol, Auteur ;
J. Millett, Auteur ;
N. J. Shah, Auteur
The Seychelles Black Paradise-flycatcher Terpsiphone corvina is currently listed as Critically Endangered, on the basis of small population and restricted range. Currently, there is only one self-sustaining population comprising c. 150-200 indiv[...]
Article
R. E. Simmons, Auteur
A review of Namibian shorebird densities over two decades and two additional visits to the coastal diamond-mining areas at Elizabeth Bay, southern Namibia, were undertaken to assess the long-term influence of mining activity on density of shoreb[...]
Article
M. R. Perrin, Auteur
A review of the taxonomic status of the critically endangered Cape Parrot Poicephalus robustus Gmelin 1788 has important implications concerning the conservation of this species and illegal trade. It is distinguishable from the Brown-necked Parr[...]
