Oiled and injured African penguins Spheniscus demersus and other seabirds admitted for rehabilitation in the Western Cape, South Africa, 2001 and 2002

SUBCLINICAL AVIAN MALARIA INFECTIONS IN AFRICAN BLACK-FOOTED PENGUINS (SPHENISCUS DEMERSUS) AND INDUCTION OF PARASITE RECRUDESCENCE

Cranfield, M. R., Graczyk, T. K., Beall, F. B., laleggio, D. M., Shaw, M. L., & Skjoldager, M. L. (1994) · Journal of Wildlife Diseases · doi:10.7589/0090-3558-30.3.372 · Cited by 56 · see citing works

Happy Feet in a Hostile World? The Future of Penguins Depends on Proactive Management of Current and Expected Threats

Ropert‐Coudert, Y., Chiaradia, A., Ainley, D. G., Barbosa, A., Boersma, P. D., Brasso, R. L., Dewar, M., Ellenberg, U., Borboroglu, P. G., Emmerson, L., et al. (2019) · Frontiers in Marine Science · doi:10.3389/fmars.2019.00248 · Cited by 148 · see citing works

Animal Translocations: What are they and why do we do them?

Seddon, P. J., Strauss, W. M., & Innes, J. (2012) · Wiley eBooks · doi:10.1002/9781444355833.ch1 · Cited by 128 · see citing works

A systematic review of factors affecting wildlife survival during rehabilitation and release

Cope, H. R., McArthur, C., Dickman, C. R., Newsome, T. M., Gray, R. B., & Herbert, C. A. (2022) · PLoS ONE · doi:10.1371/journal.pone.0265514 · Cited by 91 · see citing works

Malaria in penguins – current perceptions

Grilo, M. L., Vanstreels, R. E. T., Wallace, R., García‐Párraga, D., Braga, É. M., Chitty, J. A., Catão‐Dias, J. L., & de Carvalho, L. M. (2016) · Avian Pathology · doi:10.1080/03079457.2016.1149145 · Cited by 89 · see citing works

Epidemiology and pathology of avian malaria in penguins undergoing rehabilitation in Brazil

Vanstreels, R. E. T., da Silva-Filho, R. P., Kolesnikovas, C. K. M., Bhering, R. C. C., Ruoppolo, V., Epiphânio, S., Amaku, M., Junior, F., Braga, É. M., & Catão‐Dias, J. L. (2015) · Veterinary Research · doi:10.1186/s13567-015-0160-9 · Cited by 74 · see citing works

African penguins (Spheniscus demersus) can detect dimethyl sulphide, a prey-related odour

Cunningham, G. B., Strauss, V., & Ryan, P. G. (2008) · Journal of Experimental Biology · doi:10.1242/jeb.018325 · Cited by 64 · see citing works

Blood parasites of penguins: a critical review

Vanstreels, R. E. T., Braga, É. M., & Catão‐Dias, J. L. (2016) · Parasitology · doi:10.1017/s0031182016000251 · Cited by 58 · see citing works

Regionally coherent trends in colonies of African penguinsSpheniscus demersusin the Western Cape, South Africa, 1987–2005

Underhill, L. G., Crawford, R., Wolfaardt, A., Whittington, P., Dyer, B., Leshoro, T. M., Ruthenberg, M., Upfold, L., & Visagie, J. (2006) · African Journal of Marine Science · doi:10.2989/18142320609504218 · Cited by 54 · see citing works

A system dynamics approach to modelling multiple drivers of the African penguin population on Robben Island, South Africa

Weller, F. G., Cecchini, L.-A., Shannon, L. J., Sherley, R. B., Crawford, R. J. M., Altwegg, R., Scott, L., Stewart, T. J., & Jarre, A. (2014) · Ecological Modelling · doi:10.1016/j.ecolmodel.2014.01.013 · Cited by 46 · see citing works

Differences in breeding success between African Penguins (<i>Spheniscus demersus</i>) that were and were not oiled in the MV <i>Treasure</i> oil-spill in 2000

Barham, P. J., Underhill, L. G., Crawford, R. J. M., & Leshoro, T. M. (2007) · Emu - Austral Ornithology · doi:10.1071/mu06028 · Cited by 45 · see citing works

Annual intake trends of a large urban animal rehabilitation centre in South Africa: a case study

Wimberger, K., & Downs, C. T. (2010) · Animal Welfare · doi:10.1017/s0962728600001974 · Cited by 38 · see citing works

Long-term survival of de-oiled Cape gannets Morus capensis after the Castillo de Bellver oil spill of 1983

Altwegg, R., Crawford, R. J. M., Underhill, L. G., & Williams, A. (. J. (2008) · Biological Conservation · doi:10.1016/j.biocon.2008.04.030 · Cited by 35 · see citing works

Hand-Rearing, Release and Survival of African Penguin Chicks Abandoned Before Independence by Moulting Parents

Sherley, R. B., Waller, L. J., Strauss, V., Geldenhuys, D., Underhill, L. G., & Parsons, N. J. (2014) · PLoS ONE · doi:10.1371/journal.pone.0110794 · Cited by 34 · see citing works

Evaluating potential threats to birds in Greece: an analysis of a 10-year data set from a rehabilitation centre

Mazaris, A. D., Mamakis, Y., Kalpakis, S., Poulopoulos, Y., & Matsinos, Y. G. (2008) · Oryx · doi:10.1017/s003060530700066x · Cited by 32 · see citing works

The efficacy of hand-rearing penguin chicks: evidence from African Penguins (<i>Spheniscus demersus</i>) orphaned in the <i>Treasure</i> oil spill in 2000

Barham, P. J., Underhill, L. G., Crawford, R. J. M., Altwegg, R., Mario Leshoro, T., Bolton, D. A., Dyer, B. M., & Upfold, L. (2008) · Bird Conservation International · doi:10.1017/s0959270908000142 · Cited by 32 · see citing works

Impact of theTreasureoil spill on African penguinsSpheniscus demersusat Dassen Island: case study of a rescue operation

Wolfaardt, A., Underhill, L. G., Altwegg, R., Visagie, J., & Williams, A. (2008) · African Journal of Marine Science · doi:10.2989/ajms.2008.30.2.13.563 · Cited by 29 · see citing works

Restoration of oiled African penguinsSpheniscus demersusa decade after theApollo Seaspill

Wolfaardt, A., Underhill, L. G., Altwegg, R., & Visagie, J. (2008) · African Journal of Marine Science · doi:10.2989/ajms.2008.30.2.14.564 · Cited by 29 · see citing works

Cases of mortality in little penguins (Eudyptula minor) in New Zealand associated with avian malaria

Sijbranda, D. C., Hunter, S. A., Howe, L., Lenting, B., Argilla, L. S., & Gartrell, B. D. (2017) · New Zealand Veterinary Journal · doi:10.1080/00480169.2017.1359124 · Cited by 27 · see citing works

PETROLEUM POLLUTION AND PENGUINS: Marine Conservation Tools to Reduce the Problem.

Borboroglu, P. G., Boersma, P. D., Reyes, L. M., & Skewgar, E. (2009) · Cited by 27 · see citing works

PROGNOSTIC INDICATORS OF REHABILITATION OUTCOMES FOR ADULT AFRICAN PENGUINS (SPHENISCUS DEMERSUS)

Parsons, N. J., Vanstreels, R. E. T., & Schaefer, A. M. (2017) · Journal of Wildlife Diseases · doi:10.7589/2017-06-146 · Cited by 25 · see citing works

From incubation to release: Hand-rearing as a tool for the conservation of the endangered African penguin

Klusener, R., Hurtado, R., Parsons, N. J., Vanstreels, R. E. T., Stander, N., van der Spuy, S., & Ludynia, K. (2018) · PLoS ONE · doi:10.1371/journal.pone.0205126 · Cited by 24 · see citing works

Health evaluation of African penguins (Spheniscus demersus) in southern Africa

Parsons, N. J., Gous, T. A., Schaefer, A. M., & Vanstreels, R. E. T. (2016) · Onderstepoort Journal of Veterinary Research · doi:10.4102/ojvr.v83i1.1147 · Cited by 24 · see citing works

Occurrence of blood parasites in seabirds admitted for rehabilitation in the Western Cape, South Africa, 2001–2013

Parsons, N. J., Voogt, N., Schaefer, A. M., Peirce, M. A., & Vanstreels, R. E. T. (2016) · Veterinary Parasitology · doi:10.1016/j.vetpar.2016.12.001 · Cited by 24 · see citing works

Feather-Loss Disorder in African and Magellanic Penguins

Kane, O. J., Smith, J. R., Boersma, P. D., Parsons, N. J., Strauss, V., Borboroglu, P. G., & Villanueva, C. (2010) · Waterbirds · doi:10.1675/063.033.0321 · Cited by 23 · see citing works

A long-term retrospective study on rehabilitation of seabirds in Gran Canaria Island, Spain (2003-2013)

Montesdeoca, N., Calabuig, P., Sánchez, J. A. C., & Orós, J. (2017) · PLoS ONE · doi:10.1371/journal.pone.0177366 · Cited by 22 · see citing works

Female-biased mortality in African penguins

Pichegru, L., & Parsons, N. (2014) · African Journal of Marine Science · doi:10.2989/1814232x.2014.920728 · Cited by 21 · see citing works

Diving behaviour of wildlife impacted by an oil spill: A clean-up and rehabilitation success?

Chilvers, B. L., Morgan, K., Finlayson, G. R., & Sievwright, K. A. (2015) · Marine Pollution Bulletin · doi:10.1016/j.marpolbul.2015.09.019 · Cited by 20 · see citing works

A condition index for African penguin Spheniscus demersus chicks

Lubbe, A., Underhill, L. G., Waller, L., & Veen, J. (2014) · African Journal of Marine Science · doi:10.2989/1814232x.2014.915232 · Cited by 18 · see citing works

Herpesvirus-like respiratory infection in African penguins Spheniscus demersus admitted to a rehabilitation centre

Parsons, N., Gous, T. A., van Wilpe, E., Strauss, V., & Vanstreels, R. E. T. (2015) · Diseases of Aquatic Organisms · doi:10.3354/dao02907 · Cited by 18 · see citing works

Processes influencing the population dynamics and conservation of African penguins on Dyer Island, South Africa

Ludynia, K., Waller, L., Sherley, R., Abadi, F., Galada, Y., Geldenhuys, D., Crawford, R., Shannon, L., & Jarre, A. (2014) · African Journal of Marine Science · doi:10.2989/1814232x.2014.929027 · Cited by 17 · see citing works

Offshore oil and gas, and operational sheen occurrence: is there potential harm to marine birds?

Morandin, L. A., & O’Hara, P. D. (2016) · Environmental Reviews · doi:10.1139/er-2015-0086 · Cited by 16 · see citing works

Breeding and moult phenology of African penguins Spheniscus demersus at Dassen Island

Wolfaardt, A. C., Underhill, L. G., & Visagie, J. (2009) · African Journal of Marine Science · doi:10.2989/ajms.2009.31.2.1.873 · Cited by 15 · see citing works

New species of haematozoa in Phalacrocoracidae and Stercorariidae in South Africa

Parsons, N. J., Peirce, M. A., & Strauss, V. (2010) · Ostrich · doi:10.2989/00306525.2010.488412 · Cited by 14 · see citing works

Factors determining the number of seabirds impacted by oil spills and the success of their rehabilitation: Lessons learned from Namibia and South Africa

Vanstreels, R. E. T., Parsons, N. J., Sherley, R. B., Stander, N., Strauss, V., Kemper, J., Waller, L. J., Barham, B. J., & Ludynia, K. (2023) · Marine Pollution Bulletin · doi:10.1016/j.marpolbul.2023.114708 · Cited by 13 · see citing works

Sex determination of African PenguinsSpheniscus demersususing bill measurements: method comparisons and implications for use

Campbell, K. J., Farah, D., Collins, S. A., & Parsons, N. J. (2015) · Ostrich · doi:10.2989/00306525.2015.1108371 · Cited by 12 · see citing works

Survival rates of oil-rehabilitated and non-rehabilitated little penguins after the C/V Rena oil spill, New Zealand

Sievwright, K. A., Battley, P. F., McConnell, H. M., Armstrong, D. P., & Morgan, K. J. (2019) · Marine Pollution Bulletin · doi:10.1016/j.marpolbul.2019.06.027 · Cited by 12 · see citing works

Comparison of moult phenology of African penguins<i>Spheniscus demersus</i>at Robben and Dassen islands

Wolfaardt, A., Underhill, L., & Crawford, R. (2009) · African Journal of Marine Science · doi:10.2989/ajms.2009.31.1.2.773 · Cited by 11 · see citing works

PROGNOSTIC INDICATORS OF IMMATURE REHABILITATED AFRICAN PENGUINS (SPHENISCUS DEMERSUS) IN SOUTH AFRICA

Vanstreels, R. E. T., Parsons, N. J., Pistorius, P. A., & Schaefer, A. M. (2019) · Journal of Wildlife Diseases · doi:10.7589/2018-05-134 · Cited by 11 · see citing works

MORPHOLOGIC AND MOLECULAR STUDY OF HEMOPARASITES IN WILD CORVIDS AND EVIDENCE OF SEQUENCE IDENTITY WITHPLASMODIUMDNA DETECTED IN CAPTIVE BLACK-FOOTED PENGUINS (SPHENISCUS DEMERSUS)

Leclerc, A., Chavatte, J., Landau, I., Snounou, G., & Petit, T. (2014) · Journal of Zoo and Wildlife Medicine · doi:10.1638/2013-0257r.1 · Cited by 11 · see citing works

Nonlinear vocal phenomena in African penguin begging calls: occurrence, significance and potential applications

Morandi, I., Zanoli, A., Tenneriello, C., Terranova, F., Balestra, F., Cadman, M., Ludynia, K., & Favaro, L. (2025) · Philosophical Transactions of the Royal Society B Biological Sciences · doi:10.1098/rstb.2024.0019 · Cited by 9 · see citing works

Corticosterone stress hormone responses in oil rehabilitated and non-rehabilitated little penguins

Chilvers, B. L., Finlayson, G. R., Candy, E. J., Sriram, A., Morgan, K. J., & Cockrem, J. F. (2016) · Marine Pollution Bulletin · doi:10.1016/j.marpolbul.2016.10.004 · Cited by 9 · see citing works

Nasal mites (Mesostigmata: Rhinonyssidae) in African penguins (Spheniscus demersus)

Vanstreels, R. E. T., Proctor, H. C., Snyman, A., Hurtado, R., Ludynia, K., Parsons, N. J., & Pistorius, P. A. (2018) · Parasitology · doi:10.1017/s0031182018000999 · Cited by 9 · see citing works

Body condition as a quantitative tool to guide hand‐rearing decisions in an endangered seabird

Morten, J. M., Parsons, N. J., Schwitzer, C., Holderied, M. W., & Sherley, R. B. (2017) · Animal Conservation · doi:10.1111/acv.12338 · Cited by 9 · see citing works

Conservation implications of avian malaria exposure for African penguins during rehabilitation

Botes, A., Thiart, H., Parsons, N. J., & Bellstedt, D. U. (2017) · South African Journal of Science · doi:10.17159/sajs.2017/20160244 · Cited by 9 · see citing works

Determinants of external and blood parasite load in African penguins (Spheniscus demersus) admitted for rehabilitation

Snyman, A., Vanstreels, R. E. T., Nell, C., Schaefer, A. M., Stracke, T., Parsons, N. J., Ludynia, K., & Pistorius, P. A. (2020) · Parasitology · doi:10.1017/s0031182020000141 · Cited by 7 · see citing works

Non-invasive hormone monitoring as a robust method for determining adrenocortical activity in injured, emaciated and oil-contaminated African penguins undergoing rehabilitation

Scheun, J., Ludynia, K., Snyman, A., & Ganswindt, A. (2020) · General and Comparative Endocrinology · doi:10.1016/j.ygcen.2020.113703 · Cited by 7 · see citing works

Empirical Primaquine Treatment of Avian Babesiosis in Seabirds

Vanstreels, R. E. T., Hurtado, R., Snyman, A., Roberts, D. G., Parsons, N. J., & Pistorius, P. A. (2019) · Journal of Avian Medicine and Surgery · doi:10.1647/20178-373 · Cited by 6 · see citing works

Fat chance? Endangered penguin rehabilitation has mixed conservation outcomes

Alden, B., van Heezik, Y., Seddon, P. J., Reid, J., & Young, M. J. (2021) · Conservation Science and Practice · doi:10.1111/csp2.452 · Cited by 6 · see citing works

Development of a rapid HRM qPCR for the diagnosis of the four most prevalent Plasmodium lineages in New Zealand

Schoener, E. R., Hunter, S. A., & Howe, L. (2017) · Parasitology Research · doi:10.1007/s00436-017-5452-8 · Cited by 6 · see citing works

The rehabilitation of Swift Terns Sterna bergii incapacitated by marine foam on Robben Island, South Africa

Parsons, N. J., Tj⊘rve, K. M., Underhill, L. G., & Strauss, V. (2006) · Ostrich · doi:10.2989/00306520609485514 · Cited by 6 · see citing works

Prevalence and Genetic Diversity of Haemoproteus and Leucocytozoon in Raptors and Other Captive Birds at the National Zoological Garden in South Africa

Gaorekwe, R. M., Phetla, V., Malatji, D. P., & Chaisi, M. E. (2025) · Integrative Zoology · doi:10.1111/1749-4877.70011 · Cited by 3 · see citing works

Assessing the effectiveness of rehabilitation for management of an endangered seabird, the Yellow-eyed Penguin

Lalas, C., Goldsworthy, R., & Ratz, H. (2023) · Emu - Austral Ornithology · doi:10.1080/01584197.2023.2241880 · Cited by 3 · see citing works

Comparative morphometric evaluation of hepatic hemosiderosis in wild Magellanic penguins (Spheniscus magellanicus) infected with different Plasmodium spp. subgenera

Ewbank, A. C., Strefezzi, R. D. F., Sacristán, C., Kolesnikovas, C. K. M., Martins, A. M., Mayorga, L. F. S. P., Vanstreels, R. E. T., & Catão‐Dias, J. L. (2019) · Revista Brasileira de Parasitologia Veterinária/Brazilian Journal of Veterinary Parasitology · doi:10.1590/s1984-296120180092 · Cited by 3 · see citing works

PHARMACOKINETICS OF PRIMAQUINE PHOSPHATE AFTER A SINGLE ORAL ADMINISTRATION TO AFRICAN PENGUINS (SPHENISCUS DEMERSUS)

Carag, J. H., Sander, S. J., Kottyan, J., Phillips, J., Brubaker, J., Cruz‐Espindola, C., Boothe, D. M., & Bronson, E. (2021) · Journal of Zoo and Wildlife Medicine · doi:10.1638/2020-0172 · Cited by 3 · see citing works

Immunological and epidemiological investigations into avian malaria in the African penguin during rehabilitation and in breeding colonies

Thiart, H. (2005) · SUNScholar (Stellenbosch University) · Cited by 3 · see citing works

Evaluation of risks of oil contamination in endangered seabirds in Algoa Bay, South Africa, linked to ship-to-ship bunkering and anthropogenic maritime activities

Ludynia, K., Stassen, M., Fearon, G., & Pichegru, L. (2025) · Marine Pollution Bulletin · doi:10.1016/j.marpolbul.2025.119089 · Cited by 2 · see citing works

The influence of nest location and the effect of predator removal on Cape Gannet Morus capensis egg predation by Kelp Gulls Larus dominicanus vetula

Strydom, Z., Waller, L. J., Brown, M., Fritz, H., & Venter, J. A. (2022) · Ostrich · doi:10.2989/00306525.2022.2110535 · Cited by 2 · see citing works

Marine Bird of Neotropics, What We Know, and We Should Know of Diseases in a Changing World

Cortés-Hinojosa, G. (2024) · Springer eBooks · doi:10.1007/978-3-031-50531-7_6 · Cited by 1 · see citing works

Visitor and vagrant seabirds admitted for rehabilitation in South Africa, 1993–2017

Snyman, A., Vanstreels, R. E. T., Parsons, N. J., & Ludynia, K. (2023) · Polar Biology · doi:10.1007/s00300-023-03186-w · Cited by 1 · see citing works

Sex determination of Kelp Gull Larus dominicanus vetula using head and bill measurements

Snyman, A., Mostert, E., & Ludynia, K. (2021) · Ostrich · doi:10.2989/00306525.2021.1887951

Initial evaluation of the care and rehabilitation success of Cape Cormorants Phalacrocorax capensis rescued from Robben and Jutten islands, South Africa, in January 2021

Phillips, J., Ludynia, K., Waller, L. J., Barham, P., Mdluli, A., Klusener, R., & Maneveldt, G. W. (2023) · Ostrich · doi:10.2989/00306525.2023.2173327

Unusual breeding strategies by African Penguins Spheniscus demersus on Robben Island, South Africa

Barham, P., Barham, B. J., Ludynia, K., Parsons, N. J., Mdluli, A., Ngcathu, J. N., & Pichegru, L. (2026) · Ostrich · doi:10.2989/00306525.2026.2648851

Patterns and impacts of oiling of African penguins Spheniscus demersus: 1981–1991

Adams, N. J. (1994) · Biological Conservation · doi:10.1016/0006-3207(94)90544-4 · Cited by 31 · see citing works

Results of the 2001 census of African penguinsSpheniscus demersusin South Africa: first measures of the impact of theTreasureoil spill on the breeding population

Wolfaardt, A. C., Underhill, L. G., Crawford, R. J. M., & Klages, N. T. W. (2001) · Transactions of the Royal Society of South Africa · doi:10.1080/00359190109520455 · Cited by 13 · see citing works

Review of the rescue, rehabilitation and restoration of oiled seabirds in South Africa, especially African penguinsSpheniscus demersusand Cape gannetsMorus capensis, 1983–2005

Wolfaardt, A., Williams, A., Underhill, L. G., Crawford, R., & Whittington, P. (2009) · African Journal of Marine Science · doi:10.2989/ajms.2009.31.1.3.774 · Cited by 53 · see citing works

Mortality and survival of African Penguins <i>Spheniscus demersus</i>involved in the <i>Apollo Sea</i>oil spill: an evaluation of rehabilitation efforts

UNDERHILL, L. G., BARTLETT, P. A., BAUMANN, L., CRAWFORD, R. J. M., DYER, B. M., GILDENHUYS, A., NEL, D. C., OATLEY, T. B., THORNTON, M., UPFOLD, L., et al. (1999) · Ibis · doi:10.1111/j.1474-919x.1999.tb04260.x · Cited by 69 · see citing works

Impact of the Treasure oil spill on African penguins Spheniscus demersus at Dassen Island: case study of a rescue operation

Wolfaardt, A., Underhill, L. G., Altwegg, R., Visagie, J., & Williams, A. (2008) · African Journal of Marine Science