Crawford, RJM

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

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

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

Crawford, R., Underhill, L., Coetzee, J., Fairweather, T., Shannon, L., & Wolfaardt, A. (2008) · African Journal of Marine Science

Marine and fisheries researchAvian ecology and behavior

Cited by 51

Patterns of immigration to and emigration from breeding colonies by African penguins

Whittington, P., Randall, R., Crawford, R., Wolfaardt, A., Klages, N., Randall, B., Bartlett, P., Chesselet, Y., & Jones, R. (2005) · African Journal of Marine Science

Avian ecology and behaviorMarine animal studies overview

Cited by 25

The initial journey of an endangered penguin: implications for seabird conservation

Sherley, R., Ludynia, K., Lamont, T., Roux, J., Crawford, R., & Underhill, L. (2013) · Endangered Species Research

Avian ecology and behaviorMarine animal studies overview

Cited by 20

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

Avian ecology and behaviorMarine animal studies overview

Cited by 17

Comparison of moult phenology of African penguins Spheniscus demersus at Robben and Dassen islands

Wolfaardt, A., Underhill, L., & Crawford, R. (2009) · African Journal of Marine Science

Avian ecology and behaviorMarine animal studies overview

Cited by 11