Détail de l'auteur
Documents disponibles écrits par cet auteur (6)
Ajouter le résultat dans votre panier Affiner la recherche
Article
G. Malan, Auteur ; N. Seoraj-Pillai, Auteur ; M. A. du Plessis, AuteurThis paper investigates, through experiments using surrogate predators, differences in intraspecific alarm calls between familiar and unfamiliar Bronze Mannikin Spermestes cucculatus groups. Four groups of mannikins were captured with mist nets [...]
Article
Article
A. N. Radford, Auteur ; M. A. du Plessis, AuteurCooperatively breeding groups may be constrained in size by the territory available to them, or territories may be expanded to accommodate extra group members. Here, we show that there was no relationship between the number of adult green woodho[...]
Article
D. Naiwanga, Auteur ; P. LLoyd, Auteur ; M. A. du Plessis, Auteur ; T. E. Martin, AuteurChoice of nest site has important consequences for nest survival. We examined nest-site characteristics relative to nest success in Karoo Prinias breeding in coastal dwarf shrubland, where high nest predation is the main cause of nest failure. I[...]
Article
M. Muchai, Auteur ; M. A. du Plessis, AuteurAlexander Skutch predicted that nest predation will increase with activity at nests, and that predation should be greatest during the nestling stage when parents are feeding young. We tested this hypothesis using three ecologically similar grass[...]
Article
D. Nalwanga, Auteur ; P. LLoyd, Auteur ; M. A. du Plessis, Auteur ; T. E. Martin, AuteurNest-site selection may vary adaptively among co-existing species as a result of competitive interactions among the species or in response to density-dependent nest predation. We examined nest-site characteristics and degree of partitioning amon[...]
