| Titre : | Ostrich 74(1-2) - MAR 2003 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
B. T. Bonnevie, Auteur ;
AJFK Craig, Auteur ;
P. E. Hulley, Auteur ;
G. D. Underhill, Auteur
We compared a data set from the Western Cape, South Africa (GDU, n = 170 Olive Thrushes (Turdus olivaceus), n = 475 Cape Robins (Cossypha caffra)) with our captures in the Eastern Cape, South Africa (n = 197 Olive Thrushes, n = 203 Cape Robins).[...]
Article
Status, biometrics, moult and possible relationships of the South African population of Roseath Tern
A. J. Tree, Auteur ;
N. Klages, Auteur
The breeding population of Roseate Terns in southern Africa was estimated to be 250-260 pairs in 2000. Adult birds caught during nocturnal tern roost mist-netting on Bird Island and at Cape Recife, both in Algoa Bay, were closest to their North [...]
Article
P. A. R. Hockey, Auteur ;
W. A. Wilson, Auteur
Marine terns breed between 80degreesN and 70degreesS, making them a suitable group for examining links between latitude and reproductive traits. We investigated such traits for 34 taxa in seven genera, using analyses of residuals to correct for [...]
Article
R. B. Payne, Auteur ;
C. S. Parr, Auteur ;
L. L. Payne, Auteur
Straw-tailed Whydahs, Vidua fischeri, mimic the songs and calls of their host species, the Purple Grenadier, Granatina ianthinogaster, and they also have songs that do not mimic the hosts. Neighbouring male whydahs match song themes with each ot[...]
Article
A. R. Munoz, Auteur ;
R. Real, Auteur ;
J. Olivero, Auteur ;
A. L. Marquez, Auteur ;
J. C. Guerrero, Auteur ;
S. B. Barcena, Auteur ;
J. M. Vargas, Auteur
We studied the geographic ranges of the 23 African hornbill species using countries as distribution units, to search for either groups of similar distributions (chorotypes) or gradual replacement of species as two different types of distribution[...]
Article
K. M. Calf, Auteur ;
C. T. Downs, Auteur ;
M. I. Cherry, Auteur
Cape Sugarbirds are southern African endemics, found in fynbos vegetation of the Western and Eastern Cape Provinces of South Africa, and they feed almost exclusively on the nectar of Protea inflorescences. Breeding male Sugarbirds are highly ter[...]
Article
P. Beresford, Auteur
Phylogenetic relationships between species of akalats (Sheppardia) and alethes (Alethe) were derived from mitochondrial and nuclear sequence data, and phylogeographic pattern was also investigated in three widespread species (two Alethe and one [...]
Article
J. Fjeldsa, Auteur
It has been suggested that the 'right' biogeographic patterns will only arise with a species concept reflecting the finest splitting of terminal phylogenetic branches. The significance of taxonomic resolution was assessed using distributional da[...]
Article
K. Kraaijeveld, Auteur ;
J. Komdeur, Auteur
The Seychelles Fody, Foudia sechellarum, is a ploceid weaver occurring naturally on three islands in the Seychelles group in the Indian Ocean. The population on Cousine Island was studied between 30 June and 25 August 1997. The size of the popul[...]
Article
L. P. Korzun, Auteur ;
C. Erard, Auteur ;
J. P. Gasc, Auteur ;
F. J. Dzerzhinsky, Auteur
A morphofunctional analysis of the feeding apparatus was conducted from an evolutionary perspective on the hoatzin (Opisthocomidae), some cuckoos (Cuculidae) and some turacos (Musophagidae). These goups share a common ancestral adaptation of the[...]
Article
M. Louette, Auteur
Parapatric A. tachiro sparsimfasciatus and A. toussenelii canescens are in a size cline from large east African to small west African birds. While their plumage colour is different, the pattern of spotting (juvenile) and barring (adult) of the b[...]



