Upfold, Leshia

Collapse of South Africa's penguins in the early 21st century

Crawford, R., Altwegg, R., Barham, B., Barham, P., Durant, J., Dyer, B., Geldenhuys, D., Makhado, A., Pichegru, L., Ryan, P., et al. (2011) · African Journal of Marine Science

Avian ecology and behaviorMarine animal studies overview

Cited by 165

The influence of food availability on breeding success of African penguins Spheniscus demersus at Robben Island, South Africa

Crawford, R. J. M., Barham, P. J., Underhill, L. G., Shannon, L. J., Coetzee, J. C., Dyer, B. M., Leshoro, T. M., & Upfold, L. (2006) · Biological Conservation

Avian ecology and behaviorMarine animal studies overview

Cited by 108

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

Avian ecology and behaviorMarine animal studies overview

Cited by 65

The efficacy of hand-rearing penguin chicks: evidence from African Penguins (Spheniscus demersus) orphaned in the Treasure 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

Avian ecology and behaviorMarine animal studies overview

Cited by 32

The African Penguin Spheniscus demersus should be considered Critically Endangered

Sherley, R. B., Makhado, A. B., Crawford, R. J., Hagen, C., Kemper, J., Ludynia, K., Masotla, M. J., McInnes, A., Pichegru, L., Tom, D., et al. (2024) · Ostrich

Avian ecology and behaviorMarine animal studies overview

Cited by 23