2020 - present

Adekola, Oluwadunsin E. Dec 2022. Moult as a dynamic link in the annual cycle of birds: insights from seabirds and a long-distance migratory raptor. (Supervisor: Peter Ryan).

Aikins Khan, Timothy. Dec 2023. The costs and benefits of hosting colonial sociable weaver nests for arid zone savanna trees. (Supervisors: Robert Thomson, Michael Cramer).

Bourne, Amanda. Dec 2020. Can sociality buffer the impacts of climate change on a cooperatively-breeding bird, the southern pied babbler Turdoides bicolor? (Supervisors: Susie Cunningham, Mandy Ridley, Claire Spottiswoode).

Cloete, Daniël. Dec 2023. The impacts of habitat fragmentation of Tsitsikamma fynbos, South Africa, on avian nectarivore presence, abundance and pollination. (Supervisors: Mark Brown, Peter Ryan)

Brink, Christiaan. April 2022. The role of supplementary feeding sites in vulture conservation in South Africa. (Supervisors: Robert Thomson, Arjun Amar, Andrea Santangeli). 

du Toit, Carla. July 2022. Mechanosensory structures in the beaks of probe-foraging birds in relation to their foraging ecology. (Supervisors: Susie Cunningham, Anusuya Chinsamy-Turan).

Lowney, Anthony. Dec 2020. Sociable weaver nests as a resource to local animal communities. (Supervisor: Robert Thomson).

McClean, Luke. Dec 2020. Coevolution between brood-parasitic honeyguides and their hosts. (Supervisors: Claire Spottiswoode, Nicholas Horrocks).

Middleton, Kyle Mark. March 2023. Individual contributions to group behaviour in the cooperatively breeding southern ground-hornbill Bucorvus leadbeateri. (Supervisors: Claire Spottiswoode, Rita Covas, Fanny Rybak).

Moreras, Angela. July 2023. Frontline strategies in the arms-race between hosts and their brood parasites: the case of the Common Redstart and the Common Cuckoo. (Supervisor: Robert Thomson).

Nebel, Carina. Dec 2021. A mechanistic approach to understanding the colour polymorphism in black sparrowhawks (Accipiter melanoleucus).  (Supervisors: Arjun Amar; Petra Sumasgutner).

Schoombie, Stefan. Dec 2021. Remotely sensing motion: the use of multiple biologging technologies to detect fine-scale, at-sea behaviour of breeding seabirds in a variable Southern Ocean environment. (Supervisors: Peter Ryan, Rory WIlson).

Stofberg, Miqkayla. Dec 2023. The influence of anthropogenic food on bird behaviour and community structure in urban environments. (Supervisors: Arjun Amar, Susie Cunningham)

2010 - 2019

Barquete Costa, Viviane. Dec 2012. Using stable isotopes as a tool to understand the trophic relationships and movements of seabirds off southern Africa. (Supervisors: Peter Ryan, Ross Wanless).

Baum, Julia. Dec 2016. The influence of location on the structure and functioning of private land conservation networks in the Western Cape Province of South Africa. (Supervisor: Graeme Cumming).

Braby, Justine. June 2011. The biology and conservation of the Damara Tern Sterna balaenerum in Namibia. (Supervisors: Les Underhill, Rob Simmons).

Carstens, Kate. Dec 2017. Breeding and dispersal implications for the conservation of the Southern Ground Hornbill Bucorvus Leadbeateri. (Supervisors: Peter Ryan, Rob Little, Robert Thomson)

Cohen, Callan. June 2011. The phylogenetics, taxonomy and biogeography of  African arid zone terrestrial birds: the bustards (Otididae), sandgrouse (Pteroclidae), coursers (Glareolidae) and Stone Partridge (Ptilopachus). (Supervisors: Tim Crowe, Rauri Bowie).

Chaskda, Adams. Dec 2011. Determinants and consequences of territory quality in the Bar-throated Apalis Apalis thoracica. (Supervisors: Penn Lloyd, Phil Hockey).

Clements, Hayley. Dec 2016. Multi-scale, social-ecological influences on private land conservation in South Africa. (Supervisor: Graeme Cumming).

Davies, Owen. June 2015. Taxonomy, phylogeny and biogeorgraphy of cisticolas (Cisticola spp.). (Supervisors: Tim Crowe, Rauri Bowie).

de Ponte Machado, Marta. June 2010. Population dynamics of Great White Pelicans on in Southern Africa - causative factors and influence on other seabirds. (Supervisors: Les Underhill, Peter Ryan, Rob Crawford, Rauri Bowie).

Dilley, Ben. April 2019. The effects of introduced mice on seabirds breeding at sub-Antarctic islands. (Supervisor: Peter Ryan).

Gaglio, Davide. Dec 2017. Investigating the foraging ecology and energy requirements of a seabird population increasing in an intensely exploited marine environment. (Supervisors: Peter Ryan, Timothée Cook, Richard Sherley, Tom Flower).

Garbett, Rebecca. Dec 2018. Conservation of raptors and vultures in Botswana: with a focus on Lappet-faced Vultures Torgos tracheliotos. Supervisor: Arjun Amar

Garcia-Heras, Marie-Sophie. July 2017. Environmental factors influencing the breeding and health of a predator endemic to southern Africa: the endangered Black Harrier Circus maurus. (Supervisors: Rob Simmons, Arjun Amar, Beatriz Arroyo, Francois Mougeot).

Henry, Dominic. June 2016. A multi-scale study on the movement ecology of Afrotropical waterbirds. (Supervisor: Graeme Cumming).

Joseph, Grant. Dec 2012. Understanding pattern-process relationships in a heterogeneous landscape: effects of large termitaria on diversity and disturbance regimes in miombo woodlands of northern Zimbabwe. (Supervisor: Graeme Cumming).

Jones, Genevieve. Dec 2011. Individual variation in reproductive success in the Wandering Albatross. (Supervisor: Peter Ryan).

Kaliba, Potiphar. June 2014. Faunal turnover between east and southern African terrestrial vertebrates: is Malawi the geographical break? (Supervisors: Rauri Bowie, Tim Crowe).

Krüger, Sonja. Dec 2014. An investigation into the decline of the Bearded Vulture Gypaetus barbatus in Southern Africa. (Supervisors: Arjun Amar, Rob Simmons).

Little, Ian. Dec 2011. Bird reproductive success and faunal habitat selection as tools for under-standing the impacts of land-use management on moist highland grassland biodiversity in South Africa. (Supervisors: Phil Hockey, Ray Jansen).

Mandiwana-Neudani, Tshifhiwa. June 2014. Taxonomy, phylogeny and biogeography of francolins (‘Francolinus’ spp.) Aves: Order Galliformes, Family: Phasianidae. (Supervisors: Tim Crowe, Rauri Bowie).

McInnes, Alistair. Dec 2016. Fine-scale drivers of African Penguin prey dynamics in Algoa Bay, South Africa, and their impacts on penguin foraging ecology. (Supervisors: Lorien Pichegru, Peter Ryan).

Murgatroyd, S. Megan. June 2016. Ecology of the Verreaux's Eagle Aquila verreauxii in natural and agriculturally transformed habitats in South Africa.  (Supervisors: Les Underhill, Arjun Amar).

Ndlovu, Mduduzi. Dec 2012. Environmental influences on moult and movement strategies in southern African waterfowl. (Supervisor: Graeme Cumming).

Nelson-Flower, Martha. June 2010. Kinship and its consequences in the cooperatively breeding Southern Pied Babbler Turdoides bicolor (Supervisors: Phil Hockey, Mandy Ridley).

Ngoma, Peter. Dec 2010. The welfare value of inland small-scale floodplain fisheries of the Zambezi River Basin. (Supervisor: Jane Turpie)

Nupen, Lisa. Dec 2014.  A conservation genetic study of threatened, endemic southern African seabirds. (Supervisors: Peter Ryan, Rauri Bowie, Jacqui Bishop).

Oatley, Graeme. Dec 2011. Taxonomy, phylogeny and eco-biogeography of southern African white-eyes (Zosterops spp.) Aves: Order Passeriformes family: Zosteropidae. (Supervisors: Tim Crowe, Rauri Bowie).

Okanga, Sharon. Dec 2013. The influences of host community, urbanization and water quality on avian malaria ecology in South African passerines. (Supervisors: Graeme Cumming, Phil Hockey).

Reynolds, Chevonne. June 2016. The role of waterbirds in the dispersal of  aquatic organisms in southern Africa. (Supervisor: Graeme Cumming)

Ribeiro, Angela. Dec 2011.  Ecological and evolutionary processes in two southern African endemic birds. (Supervisors: Rauri Bowie, Penn Lloyd, Phil Hockey).

Rollinson, Dominic. July 2017. Understanding and mitigating seabird bycatch in the South African pelagic longline fishery. (Supervisors: Peter Ryan, Ross Wanless)

Shaw, Jessica. June 2013.  Powerlines in the Karoo: conserving Ludwig's Bustard.  (Supervisors: Peter Ryan, Andrew Jenkins).

Tate, Gareth. Dec 2016. Exploring the maintenance of plumage polymorphism in the Black Sparrowhawk Accipiter melanoleucus. (Supervisors: Arjun Amar, Jacqui Bishop).

Thompson, Alex. Dec 2013. Post-fledging begging and development in Southern Pied Bbblers (Turdoides bicolor). (Supervisors: Peter Ryan, Phil Hockey, Nikki Raihani).

van de Ven, Tanja. Dec 2017. Implications of climate change on the reproductive success of the Southern yellow-billed Hornbill Tokus leucomelas. (Supervisors: Phil Hockey, Susie Cunningham, Andrew McKechnie).

van Eeden, Rowen. July 2017. Understanding the decline of Martial Eagles Polemaetus bellicosus in the  Kruger National Park, South Africa. (Supervisor: Arjun Amar).

Whitehead, Otto. Dec 2017. Comparative foraging ecology of macaroni and rockhopper penguins at the Prince Edward Islands. (Supervisor: Peter Ryan)


Barnes, Keith. June 2007. The phylogenetics and evolution of Africa's larks Alaudidae. (Supervisor: Peter Ryan).

Bowie, Rauri. June 2003. Birds, molecules and evolutionary patterns among Africa's islands in the sky. (Supervisor: Tim Crowe).

Covas, Rita. June 2002. Life-history evolution and co-operative breeding in the Sociable Weaver. (Supervisor: Morné du Plessis).

Jansen, Raymond. Dec 2001. Population biology, behavioural ecology and management of the Redwing Francolin Francolinus levaillantii and Swainson's Spurfowl Pternistis swainsonii. (Supervisor: Tim Crowe).

Loewenthal, Doug. Dec 2007. The population dynamics and conservation of the African Black Oystercatcher Haematopus moquini. (Supervisor: Phil Hockey).

Muchai, Muchane. Dec 2002. Going through the motions: The impacts of frequent fires and grazing pressure on reproduction by montane grassland birds. (Supervisor: Morné du Plessis).

Nel, Deon. June 2002. The impact of longline fishing on the seabirds breeding on Marion Island.  (Supervisor: Peter Ryan).

Petersen, Samantha. June 2008. Understanding and mitigating vulnerable bycatch in Southern African longline and trawl fisheries. (Supervisors: Peter Ryan, Les Underhill, Len Compagno).

Prendini, Lorenzo. June 2002. Systematics, evolution and biogeography of the southern African burrowing Scorpions, Opistophthalmus C.l. Koch (Scorpiones: Scorpionidae). (Supervisor: Tim Crowe).

Seymour, Colleen. Dec 2006. The influence of size and its density of the Camelthorn Acacia erioloba Meyer on its keystone role in the Xeric Kalahari. (Supervisor: Richard Dean).

Techow, Mareile. June 2007. Phylogeny and phylogeography of four Southern Ocean petrels. (Supervisors: Peter Ryan, Colleen O'Ryan).

van Zyl, Hugo. Dec 2007. Property price approaches to the valuation of urban wetlands: theoretical considerations and policy implications. (Supervisor: Jane Turpie).

Wanless, Ross. Dec 2007. Impacts of the introduced house mouse on the seabirds of Gough Island. (Supervisor: Peter Ryan).


Adams, Nigel. 1990. Feeding biology and energetics of King Aptenodytes patagonicus and Gentoo Pygoscelis papua Penguins at sub-Antarctic Marion Island. (Supervisors: Roy Siegfried, John Cooper, Robert Prys-Jones).

Dean, Richard. 1995. Where birds are rare or fill the air: The protection of the endemic and the nomadic avifaunas of the Karoo. (Supervisor: Roy Siegfried).

de Klerk, Helen. 1999. Biogeography and conservation of terrestrial Afrotropical birds. (Supervisor: Tim Crowe).

du Plessis, Morné.  1990. Behavioural ecology of the Redbilled Woodhoopoe Phoeniculus purpureus in South Africa. (Supervisor: Phil Hockey).

Fabricius, Christo. 1997. The impact of land use of biodiversity in xeric succulent thicket, South Africa. (Supervisor: Phil Hockey).

Jackson, Susan. 1990. Seabird digestive physiology in relation to foraging ecology. (Supervisors: Roy Siegfried, David Duffy).

Jenkins, Andrew. 1998. Behavioural ecology of Peregrine and Lanner Falcons in South Africa. (Supervisors: Roy Siegfried, Phil Hockey, Alan Kemp).

Kalejta, Bozena. 1992. Aspects of the ecology of migrant shorebirds (Aves: Charadrii) at the Berg River estuary, South Africa. (Supervisor: Phil Hockey).

Little, Rob. 1992. Population genetics, behavioural ecology and management of the Greywing Francolin Francolinus africanus.  (Supervisor: Tim Crowe).

Lloyd, Penn. 1998. A study of the ecology of the Namaqua Sandgrouse and other arid-zone birds. (Supervisor: Tim Crowe).

Malan, Gerard. 1995. Cooperative breeding and delayed dispersal in the Pale Chanting Goshawk Melierax canorus. (Supervisors: Tim Crowe, Rob Little).

Macdonald, Ian. 1991. Conservation implications of the invasion of southern Africa by alien organisms. (Supervisors: Roy Siegfried, Eugene Moll).

Milton, Sue. 1993. Studies of herbivory and vegetation change in Karoo shrublands. (Supervisor: Roy Siegfried).

Rebelo, Tony. 1992. Preservation of the Cape Flora: status, causes of rarity, ideals and priorities. (Supervisor: Roy Siegfried).

Ryan, Peter. 1992. The ecology and evolution of Nesospiza Buntings. (Supervisors: Roy Siegfried, John Cooper).

Velazquez, Claudio. 1993. Ecology and management of waterbirds at commercial saltpans in South Africa. (Supervisor: Phil Hockey).

Turpie, Jane. 1994. Comparative foraging ecology of two broad ranging migrants, Grey Plover Pluvialis squatarola and Whimbrel Numenius phaeopus (Aves: Charadrii) in tropical and temperate latitudes of the western Indian Ocean. (Supervisor: Phil Hockey).


Abrams, Ronald. 1985. The structure of pelagic seabird assemblages in the African sector of the Southern Ocean. (Supervisor: Roy Siegfried).

Bosman, Alison. 1987. Avian determinants of rocky intertidal community structure in South Africa. (Supervisor: Phil Hockey).

Brown, Chris. 1988. Ecological energetics of Eudyptes Penguins at Marion Island. (Supervisors: Roy Siegfried and John Cooper).

Broni, Stephen. 1985. Penguins and purse-seiners: competition or co-existence? (Supervisor: Roy Siegfried).

Burger, Alan. 1980. Behavioural ecology of Lesser Sheathbills Chionis minor at Marion Island. (Supervisor: Roy Siegfried).

Guillet, Alfredo. 1986. Biogeography and ecology of African waterbirds. (Supervisor: Tim Crowe).

Hockey, Phil. 1983. Ecology of the African Black oystercatcher Haematopus moquini. (Supervisor: Roy Siegfried).

Knight, Richard. 1988. Aspects of plant dispersal in the southwestern Cape with particular reference to the roles of birds as dispersal agents. (Supervisor: Roy Siegfried).

Williams, Tony. 1980. Breeding biology of Eudyptes penguins with particular reference to egg-size dimorphism. (Supervisor: Roy Siegfried).

Wilson, Rory. 1986. Breeding Jackass Penguins Spheniscus demersus as pelagic predators.(Supervisor: Roy Siegfried).


Crowe, Tim. 1978. Evolution and ecology of guineafowl. (Supervisor: Roy Siegfried).

Elliott, Clive. 1973. Biology of the Cape Weaver Ploceus capensis with special reference to its polygynous mating system. (Supervisor: Gerry Broekhuysen).

Farkas, Tibor. 1975. Comparative study of avian communities inhabiting natural and artificial habitats in the eastern part of the Orange river project area. (Supervisor: Jack Winterbottom, Gerry Broekhuysen).

Jarvis, Mike. 1971. Ethology and ecology of the South African Gannet Sula capensis. (Supervisor: Gerry Broekhuysen).

Puttick, Gillian. 1979. Feeding ecology of Curlew Sandpipers Calidris ferruginea in the southwestern Cape. (Supervisor: Roy Siegfried).


Siegfried, Roy. 1969. Ecology of the Cattle Egret Ardeola ibis with special reference to population dynamics. (Supervisor: Gerry Broekhuysen).