Détail de l'auteur
Documents disponibles écrits par cet auteur (6)
Ajouter le résultat dans votre panier Affiner la recherche
Article
Margaret T. Hirschauer ; Kerri Wolter ; Alexandra Howard ; Brian W. Rolek ; Christopher J. W. McClureThe ‘Endangered’ Cape Vulture Gyps coprotheres has been monitored across its range for decades through disparate studies varying in geographical scope and length. Yet, no long-term, range-wide survey exists for the species. Coordinated monitorin[...]
Article
Kerri Wolter, Auteur ; Walter Neser, Auteur ; Margaret T. Hirschauer, Auteur ; Alvaro Camina, AuteurMonitoring of eight Cape Vulture Gyps coprotheres breeding colonies in South Africa and Botswana took place between 2010 and 2014 using standardised counting methods. Counts of breeding pairs, nestlings and fledglings were used to calculate bree[...]
Article
Kerri Wolter, Auteur ; Walter Neser, Auteur ; Margaret T. Hirschauer, Auteur ; Alvaro Camina, AuteurDans Ostrich (88(3) 2017)
Article
Margaret T. Hirschauer, Auteur ; Kerri Wolter, AuteurThe Cape Vulture Gyps coprotheres is an Endangered colonial cliff-nesting species that is typically cited as monogamous. Observations of wild Cape Vulture colonies note extra-pair breeding activities but homosexual activity has never been confir[...]
Article
Margaret T. Hirschauer, Auteur ; Kerri Wolter, Auteur ; Walter Neser, AuteurDans Ostrich (88(1) 2017)In 2010, 14 Cape Vulture Gyps coprotheres chicks were ringed as nestlings on the cliffs at the Skeerpoort Cape Vulture colony in the Magaliesberg mountains, South Africa. Observations made during the 2014 and 2015 breeding colony censuses confir[...]
Article
Nobuhle T. Mabhikwa, Auteur ; Margaret T. Hirschauer, Auteur ; Kerri Wolter, AuteurThe plumage of young Cape Vultures Gyps coprotheres is streaked to varying degrees on the breast, ruff and upper wing coverts. Observations of breast plumage (individual feather streak coverage and overall streaking intensity) were made on Cape [...]
