| Titre : | Ostrich 70(3-4) - DEC 1999 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
T. B. Oatley, Auteur
Article
AJFK Craig, Auteur
Passive anting has been recorded from four non-passerine species in Africa, the Rock Kestrel Falco tinnunculus, the African Finfoot Podica senegalensis, the African Hoopoe Upupa epops and the Whitebacked Mousebird Colius colius. Active or passiv[...]
Article
R. K. Brooke, Auteur ;
D. G. Allan, Auteur ;
J. Cooper, Auteur ;
D. P. Cyrus, Auteur ;
W. R. J. Dean, Auteur ;
B. M. Dyer, Auteur ;
A. P. Martin, Auteur ;
R. H. Taylor, Auteur
The Greyheaded Gull Larus cirrocephalus occurs throughout southern Africa, both coastally and inland, and has bred at one time or another at 67 known localities since the 1860s. Most of these sites have been occupied by small numbers of birds, e[...]
Article
L. G. Underhill, Auteur ;
G. D. Underhill, Auteur ;
C. N. Spottiswoode, Auteur
The duration of primary moult of adult Cape Turtle Doves Streptopelia capicola was estimated to be 192 days. 23 November was the estimated mean starting date. with 95% of birds starting within 88 days of this date. The mean body-mass of adults w[...]
Article
C. Vernon, Auteur
In the late 1970s there were about 180 breeding pairs of Cape Vulture Gyps coprotheres at Colleywobbles colony. In the 1980s the colony increased to over 300 pairs, presumably as a result of birds immigrating to the Transkei. In the 1990s the co[...]
Article
J. Cooper, Auteur ;
M. Irwin, Auteur ;
R. M. Harwin, Auteur ;
J. A. S. Murray, Auteur ;
G. Branch, Auteur ;
M. du Plessis, Auteur ;
B. Rowlands, Auteur ;
P. August, Auteur ;
J. Harrison, Auteur ;
S. Jackson, Auteur ;
J. David, Auteur ;
C. Brown, Auteur ;
M. Thornton, Auteur ;
U. Mayer, Auteur ;
G. Avery, Auteur
Article
R. J. M. Crawford, Auteur ;
B. M. Dyer, Auteur ;
L. Upfold, Auteur
At Bird Island, Lambert's Bay, and Malgas Island, South Africa, small numbers of Cape Cormorants Phalacrocorax capensis may breed at any time of the year, but the main breeding season is from September to February. At Malgas Island, Crowned Corm[...]
Article
P. G. Ryan, Auteur
A total of 393 seabirds from nine species killed by longline fishing in South African waters around the Prince Edward Islands during summer 1996-97 were sexed, measured, and their body fat levels and primary moults scored. Males of Whitechinned [...]
Article
D. M. Avery, Auteur
The proximate purpose of the study was to investigate the possibility that micromammalian remains from archaeological sites could provide quantified data concerning past climates. Proportions of micromammalian taxa represented in Barn Owl pellet[...]
Article
P. Steyn, Auteur
The breeding biology of the Scimitarbilled Woodhoopoe Rhinopomastus cyanomelas was studied at two sites in Zimbabwe over a 13-year period from 1964-1977. The pairs were resident, remained together throughout the year, and inspected their nest si[...]
Article
M. Herremans, Auteur ;
D. Philogene, Auteur ;
G. D. Underhill, Auteur ;
J. M. H. Raijmakers, Auteur ;
L. G. Underhill, Auteur ;
D. Johnson, Auteur ;
H. Bernitz, Auteur ;
Z. Bernitz, Auteur ;
M. B. Bowker, Auteur ;
S. J. De Beer, Auteur
All Levaillant's Cisticolas south of the Limpopo River art currently considered to be of the nominate race. Atlas data indicate a distinct discontinuity in the distribution, separating birds in the winter rainfall region of the Western Cape from[...]
Article
K. van Zegeren, Auteur ;
J. G. M. Wilson, Auteur
Article
S. J. Milton, Auteur ;
W. R. J. Dean, Auteur
Article
J. Komen, Auteur ;
J. Paterson, Auteur
Article
Article
G. Voelker, Auteur
Article
J. L. Mougin, Auteur ;
J. P. Granadeiro, Auteur ;
Christian Jouanin, Auteur ;
F. Roux, Auteur
Nearly fledged Gory's Shearwater Calonectris diomedea chicks at Selvagem Grande occasionally desert their nest sites during the night, but generally return before dawn. The temporary use of other nest sites is rare and lasts less than two days. [...]
Article
N. J. Adams, Auteur ;
G. I. H. Kerley, Auteur ;
J. J. Watson, Auteur
We measured temperatures of incubated and exposed eggs of African Black Oystercatchers Haematopus moquini nesting in coastal dunes, Algoa Bay, South Africa through three of the 10 hottest days of summer during the 1994/95 breeding season. Mean i[...]
Article
A. C. Kemp, Auteur
I trapped. marked, sexed and examined moult and softparts on 101 free-living Greater Kestrels Falco rupicoloides near Pretoria, South Africa, during 1975-1988. I collected and plucked one kestrel to determine the number and mass of its feather t[...]
