| Titre : | Ostrich 75(3) - SEP 2004 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
P. C. Benson, Auteur ;
I. Plug, Auteur ;
J. C. Dobbs, Auteur
We compared bones and non-faunal items collected by Cape Vultures at the Blouberg and Kransberg colonies. Bones from the base of the nesting cliffs were on average longer than those from the crops and stomachs of birds. Bones from the Blouberg c[...]
Article
D. J. Stauffer, Auteur ;
T. B. Smith, Auteur
The reproductive biology of two species of African hornbill, the Black-casqued Hornbill, Ceratogymna atrata, and the White-thighed Hornbill, Ceratogymna cylindricus, was investigated over a four-year period (1994-1997) on a 25km(2) site in lowla[...]
Article
C. Lohan, Auteur ;
H. G. Young, Auteur
Article
C. T. Downs, Auteur
Article
P. G. Ryan, Auteur
Article
T. W. P. Friedl, Auteur
Data are presented on breeding success of Red Bishops (Euplectes orix) collected over four breeding seasons at a colony in the Addo Elephant National Park, Eastern Cape, South Africa. Overall hatching and fledging success were 53.8% and 26.0% of[...]
Article
J. H. van Niekerk, Auteur
Article
P. G. Ryan, Auteur
Article
A knowledge of the nesting requirements of Ruppell's Parrot can aid its conservation. Nests were found during 17 months of fieldwork in Namibia and characteristics of the sites are reported here. Nests were found in woodpecker cavities. 72% of t[...]
Article
T. B. Oatley, Auteur
Article
M. Brown, Auteur ;
C. T. Symes, Auteur
Article
S. Soobramoney, Auteur ;
C. T. Downs, Auteur ;
N. J. Adams, Auteur
Aspects of the foraging behaviour along an altitudinal gradient of four subpopulations (Durban, Merrivale, Estcourt and Harrismith) of colour-banded Common Fiscals (Lanius collaris) were analysed in summer and winter in South Africa. The shrike [...]
