| Titre : | Ostrich 82(2) - AUG 2011 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Peter Steyn, Auteur
Article
Elizabeth C. Horne, Auteur ;
Rodney A. Bray, Auteur ;
Barry Bousfield, Auteur
Article
Bo T. Bonnevie, Auteur
Article
Sjoerd Duijns, Auteur ;
Jacintha G. B. van Dijk, Auteur ;
Robert H. S. Kraus, Auteur ;
A. Christa Mateman, Auteur ;
Bennie van den Brink, Auteur ;
Pim Van Hooft, Auteur
Adult Barn Swallows Hirundo rustica exhibit strong sexual size dimorphism in the length of the outermost tail feathers, which are longer in males compared with females. This trait is traditionally used to sex adult Barn Swallows in the field. Ho[...]
Article
Steven W. Evans, Auteur ;
Henk Bouwman, Auteur
Article
D. L. Ogada, Auteur ;
R. Buij, Auteur
The Hooded Vulture Necrosyrtes monachus is not currently listed on the IUCN Red List of threatened species, yet recent email discussions amongst a group of African raptor experts suggests this species may be in rapid decline. Information was sol[...]
Article
Wlodzimierz Meissner, Auteur ;
Magdalena Remisiewicz, Auteur ;
Lucyna Pilacka, Auteur
Charadrius plovers generally show little sexual or seasonal dimorphism in size and coloration, but most published measurements come from museum specimens. We aimed to determine sexual size dimorphism in live Kittlitz's Plovers Charadrius pecuari[...]
Article
Graeme M. Buchanan, Auteur ;
Lars Lachmann, Auteur ;
Cosima Tegetmeyer, Auteur ;
Steffen Oppel, Auteur ;
Andrew Nelson, Auteur ;
Martin Flade, Auteur
The Aquatic Warbler is a threatened Afro-Palaearctic migrant with a largely unknown distribution in the winter (non-breeding) season. Protection of wintering sites may be crucial for the conservation of the species. Previous studies have identif[...]
