| Titre : | Ostrich 87(3) - septembre 1, 2016 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Lisa N Barrow, Auteur ;
Desiré L Dalton, Auteur ;
Antoinette Kotze, Auteur ;
Steven W Evans, Auteur
The African saw-wings (genus Psalidoprocne) are a group of swallows endemic to sub-Saharan Africa. Although currently described as five species with several subspecies, the taxonomy of the saw-wings is unclear. We sequenced two mitochondrial gen[...]
Article
Claire N Spottiswoode, Auteur ;
Lincoln DC Fishpool, Auteur ;
Julian L Bayliss, Auteur
The montane forests of northern Mozambique’s isolated massifs are inhabited by numerous range-restricted and threatened bird species, but until recently were extremely little-known. We report on a first avifaunal survey of the isolated montane h[...]
Article
Tiwonge I Mzumara, Auteur ;
Michael R Perrin, Auteur ;
Colleen T Downs, Auteur
Monitoring abundance of threatened species is important for conservation planning. Lilian’s Lovebird Agapornis lilianae is a near-threatened small parrot found in mopane Colophospermum mopane woodland. Its population has not been investigated in[...]
Article
Foued Hamza, Auteur ;
Abdessalem Hammouda, Auteur ;
Slaheddine Selmi, Auteur
Although the Gulf of Gabès is recognised as an Important Bird Area, several aspects of the ecology of waterbirds inhabiting this area still need to be investigated. We observed how waterbird foraging guilds varied among habitats. In total, 49 sp[...]
Article
Krista N Oswald, Auteur
Here I give an account of alarm calls recorded during behavioural observations on Cape Rockjumpers (CRJs) and the potential predators observed nearby. I found CRJs did not produce alarm calls in the presence of Boomslang (a previously known pred[...]
Article
Juan Carlos Alonso, Auteur ;
Carlos Palacín, Auteur ;
Alejandro Onrubia, Auteur ;
Rachid Aboulouafae, Auteur ;
Mohamed Amezian, Auteur ;
Abdelaziz El Idrissi Essougrati, Auteur ;
Rachid El Khamlichi, Auteur ;
Mohamed Noaman, Auteur
A Great Bustard Otis tarda survey carried out in spring 2015 in Morocco confirmed the decline of this highly endangered population. Bustards were only seen at two of the seven leks occupied ten years ago. The total number of birds counted was 40[...]
Article
William Olupot, Auteur
The Grey Crowned Crane Balearica regulorum was uplisted to globally Endangered in 2012. There is urgent need to determine the threats they face at local levels for their conservation. I conducted formal point-count surveys around the wetlands of[...]
Article
Chacha Werema, Auteur ;
Kim M Howell, Auteur ;
Henry J Ndangalasi, Auteur
Forest fragmentation can lead to extinctions of some species at local levels and is eroding bird diversity at an increasing rate. While there is information on the distribution of forest bird species in most of the Eastern Arc Mountain forests, [...]
Article
Campbell Murn, Auteur ;
André Botha, Auteur
Breeding population estimates for three vulture species in Kruger National Park (KNP), South Africa, were made in 2013 using data from aerial censuses and a plotless density estimator (PDE). PDEs are distance-based methods used to assess sparse [...]
Article
Ara Monadjem, Auteur ;
Munir Z Virani, Auteur
Habitat associations of birds were quantified through fixed-radius timed bird counts at Mara Naboisho Conservancy within the Greater Mara Region, Kenya. We conducted 73 timed counts in four distinct habitats (riparian, woodland, rocky outcrop an[...]
Article
William D Newmark, Auteur ;
Thomas R Stanley, Auteur
Most tropical insectivorous birds, unlike their temperate counterparts, hold and defend a feeding and breeding territory year-around. However, our understanding of ecological factors influencing territory selection and size in tropical insectivo[...]
Article
Johann H van Niekerk, Auteur
This paper explains habitat use by Swainson’s Spurfowl Pternistis swainsonii on maize Zea mays and livestock farms on the Highveld south-east of Johannesburg, South Africa. The purpose is to describe habitat modification methods to manipulate th[...]
Article
Simon Valle, Auteur ;
Nuno Barros, Auteur ;
Ivan Ramirez, Auteur ;
Ross M. Wanless, Auteur
The Tinhosas islands, in Sao Tome e Principe, host the most important seabird breeding colony in the Gulf of Guinea, but information on its conservation status was hitherto unpublished or anecdotal, the last assessment having been performed in 1[...]
Article
Johann H. van Niekerk, Auteur
This paper explains habitat use by Swainson's Spurfowl Pternistis swainsonii on maize Zea mays and livestock farms on the Highveld south-east of Johannesburg, South Africa. The purpose is to describe habitat modification methods to manipulate th[...]
Article
Tiwonge I. Mzumara, Auteur ;
Michael R. Perrin, Auteur ;
Colleen T. Downs, Auteur
Monitoring abundance of threatened species is important for conservation planning. Lilian's Lovebird Agapornis lilianae is a near-threatened small parrot found in mopane Colophospermum mopane woodland. Its population has not been investigated in[...]
