| Titre : | Ostrich 77(3-4) - NOV 2006 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Res Altwegg, Auteur ;
Les G. Underhill, Auteur
Reliable estimates of survival rates of southern African bird species are still rare. Yet precise information on life history traits of birds from this southern Mediterranean-type climate would help in evaluating the generality of global pattern[...]
Article
Ara Monadjem, Auteur
Some aspects of the breeding ecology of the Chinspot Batis (Batis molitor) were studied in Mlawula Nature Reserve, northeastern Swaziland. Nests were predominantly built in thorny bushes or trees. Eggs were laid between 20 September and 2 Januar[...]
Article
Kevin I. McCann, Auteur ;
Grant A. Benn, Auteur
The Wattled Crane Bugeranus carunculatus is one of the top five most threatened bird species in South Africa, with the main threat being the loss of undisturbed breeding habitat. A basic understanding of this species' use of its environment is n[...]
Article
Boudjema Samraoui, Auteur ;
Abdallah Ouldjaoui, Auteur ;
Mouloud Boulkhssaim, Auteur ;
Moussa Houhamdi, Auteur ;
Menouar Saheb, Auteur ;
Arnaud Béchet, Auteur
Following several decades of unsuccessful attempts at locating breeding colonies of the Greater Flamingo Phoenicopterus roseus in Algeria, breeding was recorded on a natural islet of Garaet Ezzemoul, a seasonal salt lake near the town of Ain M'l[...]
Article
K. Souttou, Auteur ;
B. Baziz, Auteur ;
S. Doumandji, Auteur ;
C. Denys, Auteur ;
R. Brahimi, Auteur
The diet of a Common Kestrel Falco tinnunculus in a suburban area of Algiers at El Harrach was determined by pellet analysis over two years. In both years, the hybrid sparrow (Passer domesticus x P hispaniolensis) was the main prey item, based o[...]
Article
J. J. Herholdt, Auteur ;
M. D. Anderson, Auteur
The breeding success of the nests of 60 African White-backed Vultures Gyps africanus, nine Black-chested Snake Eagles Circaetus pectoralis and
Article
David Swanepoel, Auteur ;
Les G. Underhill, Auteur ;
Doug M. Harebottle, Auteur ;
Marius J. Wheeler, Auteur ;
A. J. Williams, Auteur
With a perimeter of 82km, the Theewaterskloof Dam is the largest dam in the Western Cape. This paper, based on midsummer and mid-winter surveys between 1993 and 2005, assesses the importance of the dam for waterbirds. The median numbers of water[...]
Article
Laura K. Estep, Auteur ;
Matthew D. Shawkey, Auteur ;
Geoffrey E. Hill, Auteur
Carotenoid-based feather colouration is a classic example of a condition-dependent ornamental trait. In some species of birds, red, orange and yellow feather colouration reflects male quality and advertises the carotenoid concentration of feathe[...]
Article
H. Dieter Schadleus, Auteur ;
Les G. Underhill, Auteur
The grassland biome in South Africa has a summer rainfall and Southern Red Bishops Euplectes orix, Fan-tailed Widows E. axillaris, White-winged Widow E. albonotatus, Red-collared Widow E. ardens and Long-tailed Widow E. progne breed from October[...]
Article
Flemming Pagh Jensen, Auteur ;
Knud Falk, Auteur ;
Bo Svenning Petersen, Auteur
This paper presents the results of a satellite tracking study of seven adult Abdim's Storks Ciconia abdimii that were followed from the nesting areas in southern Niger across the equator to the non-breeding range and back. Post-breeding migratio[...]
Article
Tobias F. C. Merkle, Auteur
This study reports on aspects of the territoriality, breeding success and vocal behaviour of Crimson-breasted Shrikes Laniarus atrococcineus at a study site in the Nylsvley district, South Africa. Their mean territory size was c. 12ha. Breeding [...]
Article
John W. Wilson, Auteur ;
Michael Scantlebury, Auteur
Article
Peter J. Barham, Auteur ;
Robert J. M. Crawford, Auteur ;
Les G. Underhill, Auteur ;
Anton C. Wolfaardt, Auteur ;
Barbara J. Barham, Auteur ;
Bruce M. Dyer, Auteur ;
T. Mario Leshoros, Auteur ;
Michael A. Meyer, Auteur ;
Rene A. Navarro, Auteur ;
Dieter Oschadleus, Auteur ;
Leshia Upfold, Auteur ;
Philip A. Whittington, Auteur ;
Anthony J. Williams, Auteur
Following an oil spill from the Treasure off the coast of South Africa in June 2000, about 19 000 oiled African Penguins Spheniscus demersus, including 14 825 from Robben Island, were caught for rehabilitation and subsequent release. A further 1[...]
Article
Gerard Malan, Auteur
This study investigated whether Southern Pale Chanting Goshawks Melierax canorus that nest in the low woody vegetation of the and Little Karoo reduce nest predation by selecting nest trees and sites that are less accessible to and conspicuous fo[...]
