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Displaying results 1 - 14 of 14Click/tap on any title to see full details of the record
Dyer BM, Cooper J, Crawford RJM, Sherley RB, Somhlaba S, Cockcroft A, Upfold L, Makhado AB 2020. Geographical and temporal variation in the diet of Bank Cormorants Phalacrocorax neglectus in South Africa. Ostrich 90 (4) 373-390
Crawford RJM, Shelton PA, Cooper J, Brooke RK 2010. Distribution, population size and conservation of the Cape gannet Morus capensis. South African Journal of Marine Science 1 (1) 153-174
Whittington PA, Randall RM, Crawford RJM, Wolfaardt AC, Klages NTW, Randall BM, Bartlett PA, Chesselet YJ, Jones R 2005. Patterns of immigration to and emigration from breeding colonies by African penguins. African Journal of Marine Science 27 (1) 205-213
Whittington PA, Randall RM, Randall BM, Wolfaardt AC, Crawford RJM, Klages NTW, Bartlett PA, Chesselet YJ, Jones R 2005. Patterns of movements of the African penguin in South Africa and Namibia. African Journal of Marine Science 27 (1) 215-229
Crawford RJM, Williams AJ, Hofmeyr JH, Klages NTW, Randall RM, Cooper J, Dyer BM, Chesselet Y 1995. Trends of African Penguin Spheniscus demersus populations in the 20th-century. South African Journal of Marine Science 16 (1) 101-118
Williams AJ, Steele WK, Cooper J, Crawford RJM 1990. Distribution, population-size and conservation of Hartlaub's Gull Larus hartlaubii. Ostrich: Journal of African Ornithology 61 (1-2) 66 – 76
Cooper J, Crawford RJM, Suter W, Williams AJ 1990. Distribution, population-size and conservation of the Swift Tern Sterna bergii in southern Africa. Ostrich: Journal of African Ornithology 61 (1-2) 56 – 65
Cooper J, Brooke RK, Shelton PA, Crawford RJM 1982. Distribution, population size and conservation of the Cape Cormorant Phalacrocorax capensis. Fisheries Bulletin of South Africa 16 121 - 143
Crawford RJM, Shelton PA, Brooke RK, Cooper J 1982. Taxonomy, distribution, population size and conservation of the Crowned Cormorant Phalacrocorax coronatus. Gerfaut 72 3 - 30

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