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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

Website link:https://www.ajol.info/index.php/ostrich/article/view/192097

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

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Distribution_population size and conservation of the Cape gannet Morus capensis_2010.pdf	1.97 MB

Griffiths CL, van Sittert L, Best PB, Brown AC, Clark BM, Cook PA, Crawford RJM, David JHM, Davies BR, Griffiths MH, Hutchings K, Jerardino A, Kruger N, Lamberth S, Leslie RW, Melville-Smith R, Tarr R, Van der Lingen CD 2004. Impacts of human activities on marine animal life in the Benguela: A historical overview. Oceanography and Marine Biology: An Annual Review 42 303-392

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Impacts of human activities on marine animal life in the Benguela_A historical overview.pdf	1.86 MB

Crawford RJM, Cooper J, Dyer BM 1995. Conservation of an increasing population of Great White Pelicans Pelecanus onocrotalus in South Africa's Western Cape. South African Journal of Marine Science 15 33-42

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Conservation of an increasing population of Great White Pelicans Pelecanus onocrotalus in South Africas Western Cape.pdf	859.32 KB

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

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Trends of African Penguin Spheniscus demersus populations in the 20th_century.pdf	1.28 MB

Shannon LV, Crawford RJM, Pollock DE, Hutchings L, Boyd AJ, Taunton-Clark J, Badenhorst A, Melville-Smith R, Augustyn CJ, Kochrane KL, Hampton I, Nelson G, Japp DW, Tarr RJQ 1992. The 1980s - a decade of change in the Benguela ecosystem. South African Journal of Marine Science 12 271 – 296

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The 1980s_a decade of change in the Benguela ecosystem.pdf	2.79 MB

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

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1990.9633941#.VHL6-1ItBHg

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

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1990.9633939#.VHsW62ctBHg

Shelton PA, Crawford RJM, Cooper J, Brooke RK 1984. Distribution, population size and conservation of the Jackass Penguin Spheniscus demersus. South African Journal of Marine Science (2) 217 - 257

Downloadable files:

Attachment	Size
Distribution_population size and conservation of the Jackass Penguin Spheniscus demersus.pdf	2.72 MB

Website link:http://www.tandfonline.com/doi/abs/10.2989/02577618409504370#.VIbEumctBHg

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

Website link:http://agris.fao.org/agris-search/search.do?recordID=US201302158405

Crawford RJM, Cooper J, Shelton PA 1982. Distribution, population size, breeding and conservation of the Kelp Gull in southern Africa. Ostrich: Journal of African Ornithology 53 (3) 164-177

Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1982.9634747#.VSvNlmf9kpE

Brooke RK, Cooper J, Shelton PA, Crawford RJM 1982. Taxonomy, distribution, population size, breeding and conservation of the Whitebreasted Cormorant Phalacrocorax carbo on the southern African coast. Gerfaut 72 188-200

Website link:http://www.fitzpatrick.uct.ac.za/fitz/publications/scientific/archive/1982

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

Crawford RJM, Cooper J, Shelton PA 1981. The breeding population of White Pelicans Pelecanus onocrotalus at Bird Rock platform in Walvis Bay, 1949-1978. Fisheries Bulletin of South Africa 15 67 - 70

Website link:http://www.adu.uct.ac.za/adu/projects/sea-shore-birds/sites/namibia/walvis-bay

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