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Displaying results 1 - 5 of 5Click/tap on any title to see full details of the record
Crawford RJM, Altwegg R, Barham BJ, Barham PJ, Durant JM, Altwegg R 2014. Age-specific survival and movement among major African Penguin Spheniscus demersus colonies. IBIS 156 (4) 716-728
Website link:https://onlinelibrary.wiley.com/doi/abs/10.1111/ibi.12189
Crawford RJM, Altwegg R, Barham BJ, Barham PJ, Durant JM, Dyer BM 2011. Collapse of South Africa's penguins in the early 21st century. African Journal of Marine Science 33 (1) 139-156
Website link:https://www.tandfonline.com/doi/abs/10.2989/1814232X.2011.572377
Berruti A, Underhill LG, Shelton PA, Moloney C, Crawford RJM 1993. Seasonal and interannual variation in the diet of 2 colonies of the Cape Gannet (Morus capensis) between 1977-78 and 1989. Colonial Waterbirds 16 1977 – 1978
Crawford RJM, Williams AJ, Randall RM, Randall BM, Berruti A, Ross GJB 1990. Recent population trends of Jackass Penguins Spheniscus demersus off southern Africa. Biological Conservation 52 (3) 229 – 243
Website link:http://www.sciencedirect.com/science/article/pii/000632079090128C
Crawford RJM, Shelton PA, Berruti A 1983. Cape Cormorants as potential indicators of pelagic fish stocks off southern Africa. South Africa Journal of Science 79 466-468
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