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Untitled work

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Congruent, decreasing trends of gentoo penguins and Crozet shags at sub-Antarctic Marion Island suggest food limitation through common environmental forcing

Crawford, R., Dyer, B., Upfold, L., & Makhado, A. (2014) · African Journal of Marine Science · doi:10.2989/1814232x.2014.926293 · Cited by 20 · see citing works

Status of breeding seabirds on the Northern Islands of the Red Sea, Saudi Arabia

Shobrak, M., & Aloufi, A. A. (2013) · Saudi Journal of Biological Sciences · doi:10.1016/j.sjbs.2013.11.002 · 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

Combining a geographic information system, known dietary, foraging and habitat preferences, and stable isotope analysis to infer the diet of Magellanic Penguins in their austral distribution

Ciancio, J. E., Botto, F., & Frere, E. (2015) · Emu - Austral Ornithology · doi:10.1071/mu14032 · Cited by 17 · see citing works

An assessment of the impact of predation by Cape fur sealsArctocephalus pusillus pusilluson seabirds at Dyer Island, South Africa

Makhado, A. B., Crawford, R. J. M., Waller, L. J., & Underhill, L. G. (2013) · Ostrich · doi:10.2989/00306525.2013.863234 · Cited by 17 · 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

Cyathostoma (Cyathostoma) phenisci Baudet, 1937 (Nematoda: Syngamidae), a parasite of respiratory tract of African penguin Spheniscus demersus: Morphological and molecular characterisation with some ecological and veterinary notes

Kanarek, G., Horne, E. C., & Zaleśny, G. (2013) · Parasitology International · doi:10.1016/j.parint.2013.05.002 · Cited by 16 · see citing works

Non-invasive monitoring of adrenocortical activity in captive African penguin (Spheniscus demersus) by measuring faecal glucocorticoid metabolites

Ozella, L., Anfossi, L., Di Nardo, F., & Pessani, D. (2015) · General and Comparative Endocrinology · doi:10.1016/j.ygcen.2015.06.014 · Cited by 17 · see citing works

Recreational Fish-Finders—An Inexpensive Alternative to Scientific Echo-Sounders for Unravelling the Links between Marine Top Predators and Their Prey

McInnes, A., Khoosal, A., Murrell, B., Merkle, D., Lacerda, M., Nyengera, R., Coetzee, J., Edwards, L. C., Ryan, P. G., Rademan, J., et al. (2015) · PLoS ONE · doi:10.1371/journal.pone.0140936 · Cited by 15 · see citing works

Reproductive physiology of the female Magellanic penguin ( Spheniscus magellanicus ): Insights from the study of a zoological colony

O’Brien, J. K., Schmitt, T. L., Nollens, H. H., Dubach, J. M., & Robeck, T. R. (2015) · General and Comparative Endocrinology · doi:10.1016/j.ygcen.2015.09.013 · Cited by 15 · 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

Differential responses of three sympatric seabirds to spatio-temporal variability in shared resources

Sabarros, P. S., Durant, J. M., Grémillet, D., Crawford, R., & Stenseth, N. C. (2012) · Marine Ecology Progress Series · doi:10.3354/meps09972 · Cited by 14 · see citing works

Energy content of anchovy and sardine using surrogate calorimetry methods

Campanini, C., Albo‐Puigserver, M., Gérez, S., Lloret‐Lloret, E., Giménez, J., Pennino, M. G., Bellido-Millán, J. M., Colmenero, A. I., & Marta Coll, M. (2021) · Marine Environmental Research · doi:10.1016/j.marenvres.2021.105510 · Cited by 13 · see citing works

Extreme Intraclutch Egg-Size Dimorphism in Eudyptes Penguins, an Evolutionary Response to Clutch-Size Maladaptation

Stein, R. W., & Williams, T. D. (2013) · The American Naturalist · doi:10.1086/670929 · Cited by 13 · see citing works

Foraging behaviour of bank cormorants in Namibia: implications for conservation

Ludynia, K., Jones, R., Kemper, J., Garthe, S., & Underhill, L. G. (2010) · Endangered Species Research · doi:10.3354/esr00288 · Cited by 12 · see citing works

Avian nest success, mammalian nest predator abundance, and invertebrate prey availability in a fragmented landscape

Richmond, S., Nol, E., & Burke, D. M. (2011) · Canadian Journal of Zoology · doi:10.1139/z11-017 · Cited by 12 · see citing works

Molecular Genetics Unveiled Unknown Family Relationships and Hybrids in an Ex-Situ Colony of African Penguins (Spheniscus demersus)

Modesto, P., Biolatti, C., Favaro, L., Colussi, S., Peletto, S., Piga, S., Riina, M. V., Pessani, D., Trincas, E., Isaja, V., et al. (2018) · Journal of Heredity · doi:10.1093/jhered/esy032 · Cited by 11 · see citing works

Explicitly incorporating ecosystem-based fisheries management into management strategy evaluation, with a focus on small pelagics

Moor, C. L. D. (2023) · Canadian Journal of Fisheries and Aquatic Sciences · doi:10.1139/cjfas-2023-0092 · Cited by 11 · see citing works

The diet of greater crested terns off southeast Australia varies with breeding stage and sea surface temperature

Quiring, K., Carroll, G., Champion, C., Heymann, E. W., & Harcourt, R. G. (2021) · Marine Biology · doi:10.1007/s00227-021-03947-3 · Cited by 11 · see citing works

RETROSPECTIVE STUDY OF MORBIDITY AND MORTALITY OF AFRICAN PENGUINS (SPHENISCUS DEMERSUS) UNDER MANAGED CARE IN NORTH AMERICA: 2007–2018

Trumpp, K. M., Sander, S. J., Sander, W., Zimmerman, D. M., & Bronson, E. (2021) · Journal of Zoo and Wildlife Medicine · doi:10.1638/2020-0224 · Cited by 11 · see citing works

Breeding success in Southern Australian Little Penguins is negatively correlated with high wind speeds and sea surface temperatures

Johnson, B., & Colombelli‐Négrel, D. (2021) · Ornithological Applications · doi:10.1093/ornithapp/duaa062 · Cited by 11 · see citing works

Intercolony variation in reproductive skipping in the African penguin

Leith, F. W., Grigg, J. L., Barham, B. J., Barham, P., Ludynia, K., McGeorge, C., Mdluli, A., Parsons, N. J., Waller, L. J., & Sherley, R. B. (2022) · Ecology and Evolution · doi:10.1002/ece3.9255 · Cited by 11 · see citing works

Daily growth patterns and age‐at‐recruitment of the anchoveta Engraulis ringens as indicated by a multi‐annual analysis of otolith microstructure across developmental stages

Plaza, G., Francisco Cerna, T., Landaeta, M. F., Hernández, A., & Contreras, J. E. (2018) · Journal of Fish Biology · doi:10.1111/jfb.13773 · Cited by 11 · see citing works

Departure time influences foraging associations in little penguins

Sutton, G. J., Hoskins, A. J., Berlincourt, M., & Arnould, J. P. Y. (2017) · PLoS ONE · doi:10.1371/journal.pone.0182734 · Cited by 11 · see citing works

The diet, reproductive biology age and growth of yellowtail, Seriola lalandi, in South Africa

Dunn, K. (2014) · Open University of Cape Town (University of Cape Town) · Cited by 11 · see citing works

Urofaecal glucocorticoid metabolite concentrations in African penguin (Spheniscus demersus) chick populations experiencing different levels of human disturbance

Scheun, J., Miller, R. J., Ganswindt, A., Waller, L. J., Pichegru, L., Sherley, R. B., & Maneveldt, G. W. (2021) · Conservation Physiology · doi:10.1093/conphys/coab078 · Cited by 10 · see citing works

The effect of flipper banding on the breeding success of African PenguinsSpheniscus demersusat Boulders Beach, South Africa

Hampton, S., Ryan, P. G., & Underhill, L. G. (2009) · Ostrich · doi:10.2989/ostrich.2009.80.2.2.829 · Cited by 10 · see citing works

Short-term variations in the early life history traits of common sardine Strangomera bentincki and anchoveta Engraulis ringens off central Chile

Molina-Valdivia, V., Landaeta, M. F., Castillo, M. I., Alarcón, D., & Plaza, G. (2019) · Fisheries Research · doi:10.1016/j.fishres.2019.105460 · Cited by 9 · see citing works

African Penguins and Localized Fisheries Management: Response to Butterworth and Ross-Gillespie

Sydeman, W. J., Hunt, G. L., Pikitch, E. K., Parrish, J. K., Piatt, J. F., Boersma, P. D., Kaufman, L., Anderson, D. W., Thompson, S. A., & Sherley, R. B. (2022) · ICES Journal of Marine Science · doi:10.1093/icesjms/fsac116 · Cited by 9 · see citing works

Tracking African penguins (Spheniscus demersus) outside of the breeding season: Regional effects and fishing pressure during the pre-moult period

Harding, C. T. (2014) · Open University of Cape Town (University of Cape Town) · Cited by 9 · see citing works

Benefits, costs and trade-offs of nesting habitat selection in Little Penguins

Colombelli‐Négrel, D. (2019) · Journal für Ornithologie · doi:10.1007/s10336-019-01636-z · Cited by 7 · see citing works

Issues around fisheries for small pelagic fish

Fox, C. (2014) · Cited by 5 · see citing works

Assessing the implementation efficacy of an ecosystem approach to Fisheries management in the South African sardine fishery

McGregor, E. S. (2015) · Open University of Cape Town (University of Cape Town) · Cited by 5 · see citing works

Evaluating risks to seabirds on the urban–coastal interface: Modelling dog attacks on little penguin populations in Tasmania

Blamey, L. K., Bulman, C., Tuck, G. N., Woehler, E. J., Marker, P. F., & Patterson, T. A. (2024) · Aquatic Conservation Marine and Freshwater Ecosystems · doi:10.1002/aqc.4113 · Cited by 4 · see citing works

Factors in the decline of the African penguin: Are contaminants of emerging concern (CECs) a potential new age stressor?

Dreyer, S., Marcu, D., Keyser, S., Bennett, M., Maree, L., Koeppel, K. N., Abernethy, D., & Petrik, L. F. (2024) · Marine Pollution Bulletin · doi:10.1016/j.marpolbul.2024.116688 · Cited by 4 · see citing works

Nest survival and breeding biology of the Puerto Rican Bullfinch ( Loxigilla portoricensis ) in southwestern Puerto Rico

Wiewel, A., Dinsmore, S. J., & Collazo, J. A. (2013) · The Wilson Journal of Ornithology · doi:10.1676/12-175.1 · Cited by 4 · see citing works

Breeding behavior analysis in a large captive colony of African penguins (Spheniscus demersus) and its implications for population management and conservation

Borecki, P., Rosenberger, J., Mucha, A., & Partyka, A. (2024) · Scientific Reports · doi:10.1038/s41598-024-54105-w · Cited by 4 · see citing works

The effects of oiling and rehabilitation on the breeding productivity and annual moult and breeding cycles of African penguins

Wolfaardt, A. C. (2007) · Open University of Cape Town (University of Cape Town) · Cited by 4 · see citing works

An updated description and parameterisation of the spatial multi-species Operating Model (SMOM)

Plagányi, É. E., & Butterworth, D. S. (2008) · Open University of Cape Town (University of Cape Town) · Cited by 3 · see citing works

Breeding success in Southern Australian little penguins is negatively correlated with high wind speeds and sea surface temperatures

Colombelli‐Négrel, D., & Johnson, B. (2020) · Flinders Academic Commons (Flinders University) · doi:10.25957/dyv5-4a64 · Cited by 3 · see citing works

Preliminary investigation into deducing breeding success of African Penguins Spheniscus demersus from automated transponder reader data to reduce disturbance

Mnyekemfu, M., Barham, P., Barham, B. J., Waller, L. J., Ludynia, K., & Maneveldt, G. W. (2023) · Ostrich · doi:10.2989/00306525.2023.2247167 · Cited by 2 · see citing works

Temporal variability and evaluation of methods used to infer diet of a Southern Ocean predator, the Adelie penguin Pygoscelis adeliae

Tierney, M. (2009) · UTAS Research Repository · doi:10.25959/23208350 · Cited by 2 · see citing works

Behavioural mechanisms affecting the success of translocations. An investigation using New Zealand’s rarest ratite, the rowi

Abbott, R. (2014) · doi:10.26686/wgtn.17142941.v1 · Cited by 2 · see citing works

Using seasonal mass-balanced models of the Algoa Bay ecosystem to investigate African penguin and small pelagic fish interactions

Weigum, E. (2019) · Open University of Cape Town (University of Cape Town) · Cited by 2 · see citing works

High adult mortality of African Penguins Spheniscus demersus in South Africa after 2004 was likely caused by starvation

Crawford, R. J. M., Sherley, R. B., Shannon, L. J., McInnes, A., Carpenter‐Kling, T., & Makhado, A. B. (2025) · Ostrich · doi:10.2989/00306525.2025.2568382 · Cited by 1 · see citing works

The Effects of Critical Care Nutrition on Weight Gain in African Penguin (Spheniscus demersus) Chicks

Froehlich, F., Forbes, N., Carrasco, D. C., Ludynia, K., Parsons, N. J., Worsfold, R. D., & Dutton, T. (2023) · Journal of Avian Medicine and Surgery · doi:10.1647/d-20-00101 · Cited by 1 · see citing works

African penguin Spheniscus demersus foraging on juvenile fish in jellyfish tentacles

Glencross, J. S., Jewell, A., Grigg, J. L., McInnes, A., Brierley, A. S., & Sherley, R. B. (2024) · Seabird Journal · doi:10.61350/sbj.36.5 · Cited by 1 · see citing works

Using Species Distribution Models for Spatial Conservation Planning of African Penguins

Geldenhuys, F. (2018) · SUNScholar (Stellenbosch University) · Cited by 1 · see citing works

The impact of increasing predation risk and declining food availability on the population dynamics and demography of a long-lived mesopredator

Hoy, S. R. (2015)

Aspects of modelling Robben Island African Penguin Spheniscus demersus populations

Plagányi, É. E., & Butterworth, D. S. (2006) · Open University of Cape Town (University of Cape Town)

Influence of local and regional prey availability on breeding performance of African penguins Spheniscus demersus

Sherley, R., Underhill, L., Barham, B., Barham, P., Coetzee, J., Crawford, R., Dyer, B., Leshoro, T., & Upfold, L. (2013) · Marine Ecology Progress Series · doi:10.3354/meps10070 · Cited by 65 · see citing works

Influences of the abundance and distribution of prey on African penguins<i>Spheniscus demersus</i>off western South Africa

Crawford, R., Underhill, L., Coetzee, J., Fairweather, T., Shannon, L., & Wolfaardt, A. (2008) · African Journal of Marine Science · doi:10.2989/ajms.2008.30.1.17.467 · Cited by 51 · see citing works

Influence of feeding conditions on breeding of African penguins—importance of adequate local food supplies

Durant, J. M., Crawford, R., Wolfaardt, A., Agenbag, K. J., Visagie, J., Upfold, L., & Stenseth, N. C. (2010) · Marine Ecology Progress Series · doi:10.3354/meps08857 · Cited by 27 · see citing works

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Africa, S., & Sherley, R. B. (2010)