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Article
Andrew J. Bamford, Auteur ; Ara Monadjem, Auteur ; Ian C. W. Hardy, AuteurCarcass utilisation by vultures may be constrained by the surrounding vegetation, as high vegetation densities may leave insufficient space for the vultures to take-off. We tested this by placing carcasses at 14 sites differing in density and he[...]
Article
Christopher J. Swatridge, Auteur ; Ara Monadjem, Auteur ; David J. Steyn, Auteur ; Garth R. Batchelor, Auteur ; Ian C. W. Hardy, AuteurThis study aimed to identify variables that affect habitat selection and nesting success of the African Crowned Eagle Stephanoaetus coronatus, the largest forest raptor, in north-eastern South Africa. A preference for nesting in the Northern Mis[...]
Article
Andrew J. Bamford, Auteur ; Ara Monadjem, Auteur ; Ian C. W. Hardy, AuteurThe African White-backed Vulture Gyps africanus is widely distributed across sub-Saharan Africa but populations are in decline. Loss of suitable habitat for foraging and breeding are among the most important causes, and future conservation will [...]
Article
Apostolos Kapranas, Auteur ; Ian C. W. Hardy, Auteur ; Joseph G. Morse, Auteur ; Robert F. Luck, AuteurP>1. Sex ratio theory predicts that developmental mortality can affect sex ratio optima under Local Mate Competition and also lead to 'virgin' broods containing only females with no sibling-mating opportunities on maturity. 2. Estimates of devel[...]
Article
Temporal and sex-specific variation in growth rates of Marabou Stork Leptoptilos crumeniferus chicks
Ara Monadjem, Auteur ; Andrew J. Bamford, Auteur ; Ian C. W. Hardy, Auteur ; Jason K. Earnshaw, Auteur ; Elaine Franklin, Auteur ; Desire L. Dalton, Auteur ; Antoinette Kotze, AuteurDans Ostrich (81(2) 2010)The nesting success of Marabou Storks Leptoptilos crumeniferus breeding in north-eastern Swaziland is closely associated with rainfall, with nests started late in the season exposed to higher rainfall and showing lower success. This may be relat[...]
