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Displaying results 1 - 20 of 20Click/tap on any title to see full details of the record
Oschadleus HD, Dyer BM, Crawford RJM, Upfold L 2003. Sociable Weaver roadside nest densities in southern Namibia. Lanioturdus 36 (3) 12-17
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Sociable Weaver roadside nest densities in southern Namibia.pdf 301.93 KB
Crawford RJM, Dyer BM, Cordes I, Williams AJ 1999. Seasonal pattern of breeding, population trend and conservation status of bank cormorants Phalacrocorax neglectus off south western Africa. Biological Conservation 87 (1) 49-58
Website link:http://www.sciencedirect.com/science/article/pii/S0006320798000421
Crawford RJM, Dyer BM 1995. Responses by four seabird species to a fluctuating availability of Cape Anchovy Engralis capensis off South Africa. Ibis 137 (3) 329-339
Website link:http://onlinelibrary.wiley.com/doi/10.1111/j.1474-919X.1995.tb08029.x/abstract
Crawford RJM, Dyer BM, Brook RK 1994. Breeding nomadism in southern African seabirds: constraints, causes and conservation. Ostrich: Journal of African Ornithology 65 (2) 231-246
Website link:http://www.tandfonline.com/doi/abs/10.1080/00306525.1994.9639687#.VRzupGf9kpE
Crawford RJM, David JHM, Williams AJ, Dyer BM 1989. Competition for space: recolonizing seals displace endangered endemic seabirds off Namibia. Biological Conservation 48 (1) 59-72
Website link:http://www.sciencedirect.com/science/article/pii/0006320789900591
Sherley RB, Crawford RJM, Dyer BM, Kemper J, Makhado AB, Masotla M, Pichegru L, Pistorius PA, Roux J-P, Ryan PG, Tom D, Upfold L, Winker H 2019. The status and conservation of the Cape Gannet Morus capensis. Ostrich 90 (4) 335-346
Website link:https://www.ajol.info/index.php/ostrich/article/view/192070
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
Makhado AB, Braby R, Dyer BM, Kemper J, Mcinnes AM, Tom D, Crawford RJM 2021. Seabirds of the Benguela Ecosystem: Utilisation, long-term changes and challenges. Birds - Challenges and opportunities for business, conservation and research Mikkola H
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Seabirds of the Benguela Ecosystem.pdf 990.95 KB
Sherley RB, Ludynia K, Dyer BM, Lamont T, Makhado AB, Roux J-P, Scales KL, Underhill LG, Votier SC 2017. Metapopulation tracking juvenile penguins reveals an ecosystem-wide ecological trap. Current Biology 27 (4) 563-568
Williams AJ, Dyer BM, Randall RM, Komen J 1990. Killer whales Orcinas orca and seabirds: play, predation and association. Marine Ornithology 18 (1) 37-41
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Killer whales Orcinas orca and seabirds.pdf 303.41 KB
Williams AJ, Dyer BM 1990. The birds of Hollamsbird Island, least known of the southern African guano islands. Marine Ornithology 18 13-18
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Williams_1990_Marine_Ornith_Hollamsbird_Island.pdf 296.26 KB
Roux J-P, Kemper J, Bartlett PA, Dyer BM, Dundee BL 2003. African Penguins Spheniscus demersus recolonise a formerly abandoned nesting locality in Namibia. Marine Ornithology 31 203-205
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Roux_2003_Marine_Ornithology_31_203-205.pdf 46.37 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
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, Dyer BM, Brown PC 1995. Absence of breeding by African Penguins at 4 former colonies. South African Journal of Marine Science 15 269-272
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Absence of breeding by African penguins at four former colonies_1995.pdf 481.29 KB
Crawford RJM, Underhill LG, Raubenheimer CM, Dyer BM, Martin J 1992. Top predators in the Benguela ecosystem - implications of their trophic position. South African Journal of Marine Science 12 (1) 675-687
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Top predators in the Benguela ecosystem.pdf 1.29 MB
Crawford RJM, Dyer BM, Kemper J, Simmons RE, Upfold L 2007. Trends in numbers of Cape Cormorants (Phalacrocorax capensis) over a 50-year period, 1956-57 to 2006-08. Emu 107 1 - 9
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Trends in numbers of Cape Cormorants.pdf 253.71 KB
Cordes I, Crawford RJM, Williams AJ, Dyer BM 1999. Decrease of African Penguins at the Possession Island group, 1956-1995: contrasting trends for colonial and solitary breeders. Marine Ornithology 27 129-138
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Cordes_1999_Marine_Ornithology_27_129-138.pdf 105.01 KB
Crawford RJM, Dyer BM 1996. Age at breeding of crowned cormorants Phalacrocorax coronatus. South African Journal of Marine Science 17 (1) 315-318
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Age at breeding of crowned cormorants Phalacrocorax coronatus_1996.pdf 454.6 KB
Dyer BM, Chesselet Y 2002. First Atlantic records of the Red-Footed Booby Sula sula and Brown Booby S. leucogaster in southern Africa. Marine Ornithology 30 36-37
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First Atlantic records of the Red_Footed Booby and Brown Booby in southern Africa.pdf 377.89 KB
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