| Titre : | Ostrich 89(1) - January 2, 2018 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Bernd-Ulrich Meyburg, Auteur ;
Patrick Paillat, Auteur ;
Christiane Meyburg, Auteur ;
Michael McGrady, Auteur
In boreal autumn 1995, we tracked a migrating adult Peregrine Falcon Falco peregrinus calidus from the border of Saudi Arabia and Yemen to near Cape Town, South Africa, a distance of 6 346 km. While on migration it covered 288 km d−1, on average[...]
Article
Kirsten Wimberger, Auteur ;
Kate F. Carstens, Auteur ;
Johann C. Carstens, Auteur ;
R. Stephen Boyes, Auteur
Breeding propensity of tree-cavity nesting bird species are often limited by a shortage of natural nesting sites. Artificial nests can be used to provide alternative nest sites. Cape Parrots Poicephalus robustus are nationally endangered and nes[...]
Article
Bukola Braimoh, Auteur ;
Soladoye Iwajomo, Auteur ;
Mark Wilson, Auteur ;
Adams Chaskda, Auteur ;
Afan Ajang, Auteur ;
Will Cresswell, Auteur
Escape behaviour in response to perceived predators can be employed as a guide when designating protected areas around sensitive bird species to minimise the impact of human disturbance. A key measure of escape response is flight-initiation dist[...]
Article
Samuel EI Jones, Auteur ;
Andrew J. Bladon, Auteur ;
Nigel J. Collar, Auteur ;
Galgalo Dadacha, Auteur ;
Jarso Denge, Auteur ;
Paul F. Donald, Auteur
The Ethiopian Bush-crow Zavattariornis stresemanni is an endangered, co-operatively breeding southern Ethiopian endemic with a remarkably restricted range (c. 6 000 km2). The species’ range was recently found to be almost perfectly predicted by [...]
Article
Daniel C. Lopes, Auteur ;
Rowan O. Martin, Auteur ;
Mohamed Henriques, Auteur ;
Hamilton Monteiro, Auteur ;
Aissa Regalla, Auteur ;
Quintino Tchantchalam, Auteur ;
Bucar Indjai, Auteur ;
Seco Cardoso, Auteur ;
Celestino Manuel, Auteur ;
Manjaco Cunha, Auteur ;
Domingos Cunha, Auteur ;
Paulo Catry, Auteur
Timneh Parrots Psittacus timneh are endemic to the moist forests of West Africa. Concerns over rapid declines in populations due to overharvesting for the pet trade and forest loss prompted the species’ categorisation as Endangered on the IUCN R[...]
Article
Alan TK Lee, Auteur ;
Dale R. Wright, Auteur ;
Brian Reeves, Auteur
The Hottentot Buttonquail Turnix hottentotus is an endangered terrestrial turnicid and is endemic to the Fynbos biome, South Africa. Due to its secretive nature and apparent rarity almost nothing is known about the species, but its range has bee[...]
Article
Assia Djelailia, Auteur ;
Nasser Baaziz, Auteur ;
Farrah Samraoui, Auteur ;
Ahmed H. Alfarhan, Auteur ;
Boudjema Samraoui, Auteur
We conducted a survey of the distribution of Ferruginous Duck Aythya nyroca across Algeria and analysed the influence of nest-site characteristics on nesting success at a Ramsar site, Lake Tonga. The species was found to occupy different wetland[...]
Article
Ruben Evens, Auteur ;
Natalie Beenaerts, Auteur ;
Nele Witters, Auteur ;
Tom Artois, Auteur
Knowledge of the distribution and ecology of East African nightjars is, to a large extent, unknown. We collected ecological information on the diversity and microhabitat use of nightjars in Nechisar National Park in January 2015 by executing fie[...]
Article
Johann H. van Niekerk, Auteur
Transect field observations were conducted on the behaviour of Crested Francolin Dendroperdix sephaena to describe male coalitions in the Borakalalo National Park, North West province, South Africa during May, August, October and December 2008, [...]
Article
An Bollen, Auteur ;
Estrela Matilde, Auteur ;
Nuno Barros, Auteur
The Príncipe Autonomous Region is recognised as a marine biodiversity hotspot, although little is known about the status of its marine fauna. It holds most breeding seabirds of the tropical eastern Atlantic Ocean. Based on anecdotal accounts of [...]
Article
Adams A. Chaskda, Auteur ;
Georgina S. Mwansat, Auteur ;
Danjuma Sani, Auteur ;
Longtong Turshak, Auteur
Occasional screening of food and water quality available to organisms in protected areas could be beneficial to their successful conservation. This is important for areas receiving regular human visitors and exhibiting activities that may be det[...]
Article
Taku Awa II, Auteur ;
Tsi A. Evaristus, Auteur ;
Robin C. Whytock, Auteur ;
Tsetagho Guilain, Auteur ;
John Mallord, Auteur
Populations of many Afro-Palearctic birds have declined, with those wintering in sub-Saharan Africa, such as Wood Warbler Phylloscopus sibilatrix, particularly affected. In this study we investigated the relationship between habitat characterist[...]
Article
W. Richard J. Dean, Auteur ;
Suzanne J. Milton, Auteur
Ants (Hymenoptera: Formicidae) are eaten by a number of bird species in southern Africa. Our database contained 545 species (excluding waterbirds and raptors), of which 179 species have been observed feeding on ants, or had ants in their stomach[...]
