Why don't all siblicidal eagles lay insurance eggs? The egg quality hypothesis
RE Simmons - Behavioral Ecology, 1997 - academic.oup.com
Several species of birds lay second eggs that are eliminated by the siblicidal behavior of the
first-hatched chick. A widely accepted explanation for the occurrence of these second eggs …
first-hatched chick. A widely accepted explanation for the occurrence of these second eggs …
Notes on African Crowned Eagle Stephanoaetus coronatus diet in savanna and forest in KwaZulu-Natal, South Africa
CT Symes, AR Antonites - Ostrich, 2014 - Taylor & Francis
Our study reports on contrasts in prey items from African Crowned Eagle Stephanoaetus
coronatus nesting in forest (n= 1) and savanna (n= 2) biomes in KwaZulu-Natal, South …
coronatus nesting in forest (n= 1) and savanna (n= 2) biomes in KwaZulu-Natal, South …
Birds of the two largest national parks in South Africa: a method to generate estimates of population size for all species and assess their conservation ecology
AC Kemp, JJ Herholdt, I Whyte… - South African Journal of …, 2001 - journals.co.za
Most assessments of biodiversity are based on lists that record only the presence or
absence of selected species within a given area. Information on the actual numbers of …
absence of selected species within a given area. Information on the actual numbers of …
Monitoring of Cape vulture (Gyps coprotheres) breeding colonies in the Magaliesberg, South Africa: 2007-2009
C Whittington-Jones, K Wolter, S West - Vulture News, 2011 - ajol.info
Abstract Cape Vultures (Gyps coprotheres) at three colonies, Skeerpoort, Roberts' Farm and
Nooitgedacht, in the Magaliesberg range in South Africa were monitored during 2007-2009 …
Nooitgedacht, in the Magaliesberg range in South Africa were monitored during 2007-2009 …
Responses of raptors to habitat fragmentation: from individual responses to population susceptibility
OE Curtis - 2005 - open.uct.ac.za
Habitat fragmentation has different effects on species and communities, depending on a
suite of life-history and population traits: some species are more vulnerable to the effects of …
suite of life-history and population traits: some species are more vulnerable to the effects of …
Implications of geographical range changes and resultant sympatry for three Accipiter hawks on the Cape Peninsula, South Africa
RM Little, RA Navarro - Ostrich, 2019 - Taylor & Francis
Some invasive species are known to compete with and even displace indigenous species.
Two Accipiter species historically indigenous to eastern South Africa have colonised the …
Two Accipiter species historically indigenous to eastern South Africa have colonised the …
Molecular detection of influenza A viruses and H5 subtype among migratory Amur falcons (Falco amurensis) and captive birds of prey
ME El Zowalaty, J DeBeauchmp… - Transboundary and …, 2022 - Wiley Online Library
Influenza A viruses (IAVs) and Newcastle disease viruses (NDVs) are major human and
animal health threats with geographic differences in prevalence, characteristics and host …
animal health threats with geographic differences in prevalence, characteristics and host …
[PDF][PDF] Status of cape vultures (Gyps coprotheres) in the Magaliesberg, South Africa
K Wolter, C Whittington-Jones, S West - Vulture News, 2007 - ajol.info
Status of Cape Vultures (Gyps coprotheres) in the Magaliesberg, South Africa Page 1 Vulture
News 57 September 2007 24 Status of Cape Vultures (Gyps coprotheres) in the Magaliesberg …
News 57 September 2007 24 Status of Cape Vultures (Gyps coprotheres) in the Magaliesberg …
[PDF][PDF] Travels to feed and food to breed
C Trierweiler, RH Drent, J Komdeur… - Home range size and …, 2010 - research.rug.nl
Arroyo, BE, V. Bretagnolle, and A. Leroux. 2007. Interactive effects of food and age on
breeding in the Montagu's Harrier Circus pygargus. Ibis 149: 806-813. Arroyo, B., A. Amar, F …
breeding in the Montagu's Harrier Circus pygargus. Ibis 149: 806-813. Arroyo, B., A. Amar, F …
Aspects of the breeding status and ecology of the Bateleur and Tawny Eagle in the Kalahari Gemsbok National Park, South Africa
JJ Herholdt, AC Kemp, D Du Plessis - Ostrich, 1996 - Taylor & Francis
Summary Herholdt, JJ, Kemp, AC & Du Plessis, D. 1996. Aspects of the breeding status and
ecology of the Bateleur and Tawny Eagle in the Kalahari Gemsbok National Park. Ostrich …
ecology of the Bateleur and Tawny Eagle in the Kalahari Gemsbok National Park. Ostrich …