| Titre : | Ostrich 78(1) - APR 2007 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Francis Gbogbo, Auteur
A comparative study conducted on two saline coastal wetlands that have been developed into saltpans and two others (referred to as 'non-saitpans'), that are also saline but have no saltpans, describes the quality of lagoon water, benthic macroin[...]
Article
Mark Brown, Auteur ;
Mike Perrin, Auteur ;
Ben Hoffman, Auteur
This study represents the first attempt to determine post-release survival of a captive-bred owl in Africa. We released six captive-bred African Grass-Owls Tyto capensis into suitable habitat and, using radio telemetry, determined their daytime [...]
Article
Michael S. L. Mills, Auteur ;
W. R. J. Dean, Auteur
Details 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 [...]
Article
Robert L. Thomson, Auteur ;
J. Willem H. Ferguson, Auteur
We examined temporal and spatial effects on (1) overall flock composition, and (2) aspects of the foraging behaviour of three bird species commonly participating in mixed-species flocks in mixed and Acacia woodland across the winter season in So[...]
Article
Michael S. L. Mills, Auteur ;
Callan Cohen, Auteur
Brazza's Martin Phedina brazzae is classified by BirdLife International as Data Deficient, and so improving data on population size, distribution and threats is a priority for its proper conservation evaluation. We recorded Brazza's Martin, prev[...]
Article
Philippe Chouteau, Auteur
Habitat structure - an important consideration in all ecological studies of relationships between animals and their environment - can be studied at different scales. This topic was studied at the microhabitat scale in burned and unburned plots o[...]
Article
John W. Wilson, Auteur ;
Rudi J. van Aarde, Auteur ;
Berndt J. van Rensburg, Auteur
We investigated the influence of forest fragment size and isolation on the bird assemblages in the species- and endemic-rich sand forests of the Maputaland Centre of Endemism, southern Mozambique. Point-centre surveys were conducted across 12 sa[...]
Article
Jiri Reif, Auteur ;
Ondřej Sedláček, Auteur ;
David Hořák, Auteur ;
Jan Riegert, Auteur ;
Michal Pesata, Auteur ;
Zaboj Hrazsky, Auteur ;
Stepan Janecek, Auteur
Although the high species richness and endemism of birds in the Bamenda Highlands has attracted ornithological research for decades, most studies have been restricted to bird communities of continuous montane forests. Instead, we focused on a mo[...]
Article
Gilbert Razafimanjato, Auteur ;
Lily-Arison Rene de Roland, Auteur ;
Jeanneney Rabearivony, Auteur ;
Russell Thorstrom, Auteur
We studied nesting biology, behaviour, and diet of the Peregrine Falcon Falco peregrinus radama in Madagascar during two breeding seasons at Tsimanampetsotsa Natural Reserve in the south-west (n = 2 nests) and at Tritriva Lake (n = 1 nest) on th[...]
Article
Michel Louette, Auteur ;
Paul Herroelen, Auteur
The four Accipiter species in the equatorial forest of the Democratic Republic of Congo (from small to large: Red-thighed Sparrowhawk A. erythropus, Chestnut-flanked Sparrowhawk A. castanilius, African Goshawk A. (tachiro) toussenelii and Black [...]
Article
Morne A. du Plessis, Auteur ;
Robert E. Simmons, Auteur ;
Andrew N. Radford, Auteur
We studied the behavioural ecology of the Violet Woodhoopoe Phoeniculus damarensis, a rare species endemic to Namibia and southern Angola. Groups in Namibia consisted on average of 4.3 +/- 1.6 individuals, with apparently only a single breeding [...]
Article
Henry Ndithia, Auteur ;
Michael R. Perrin, Auteur ;
Matthias Waltert, Auteur
The breeding biology of the Rosy-faced Lovebird Agapornis roseicollis was investigated in its natural habitat at three Namibian localities: Claratal, Hohewarte and Haris. The lovebird nests in colonies often shared by Sociable Weavers Philetairu[...]



