Page 252 - Atlas Sea Birds Ver1

A view of Stag (right) and Seal (left) islands from Bird Island (photo L Upfold)

Crawford RJM, Dyer BM, Kemper J, Simmons RE, Upfold L. 2007b. strategies following eastward displacement of their main
Trends in numbers of Cape Cormorants (Phalacrocorax prey. African Journal of Marine Science 38: 373–383.
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107: 253–261. Numbers, trends, status, and conservation of Roseate Tern
Crawford RJM, Tree AJ, Whittington PA, Visagie J, Upfold L, (Sterna dougallii) in South Africa. This volume.
Roxburg KJ, Martin AP, Dyer BM. 2008. Recent distribu- Dyer BM. 1990. Eight new records of the Australian Gannet Morus

tional changes of seabirds in South Africa: is climate having serrator in South Africa. Marine Ornithology 23: 158.
an impact? African Journal of Marine Science 30: 189–193. Dyer BM, Upfold L, Kant WW, Ward VL. 2001. Breeding by and
Crawford RJM, Whittington PA, Martin AP, Tree AJ, Makhado additional records of Australasian Gannet, Morus serrator, in
AB. 2009. Population trends of seabirds breeding in South South Africa. Ostrich 72: 124–125.
Africa’s Eastern Cape, and the possible influence of Fox C, Taylor RH, Crawford RJM. 2024. Breeding by seabirds at
anthropogenic and environmental change. Marine Lake St Lucia, KwaZulu-Natal. This volume.
Ornithology 37: 159–174. Hockey PAR, Dean WRJ, Ryan PG (eds). 2005. Roberts Birds of
Crawford RJM, Altwegg R, Barham BJ, Barham PJ, Durant JM, Southern Africa, 7 Edition. John Voelcker Bird Book Fund,
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PA. 2011. Collapse of South Africa’s penguins in the early Crawford RJM. 2021. Seabirds of the Benguela ecosystem:
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of crowned cormorants in South Africa, with information on Makhado AB, Tom DB, Crawford RJM. 2024. Harvests of eggs of
diet. African Journal of Marine Science 34: 411–424. African Penguins (Spheniscus demersus) in the Benguela
Crawford RJM, Kemper J, Underhill LG. 2013a. African Penguin upwelling ecosystem. This volume.
(Spheniscus demersus). In: Garcia Borboroglu P, Boersma Marnewick MD, Retief EF, Theron NT, Wright DR, Anderson TA.
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Allan DG, Fox C, Martin AP, Upfold L, Visagie J, Bachoo S, volume.
Bowker M, Downs CT, Fox R, Huisamen J, Makhado AB, Pichegru L. 2012. Increasing breeding success of an Endangered
Oosthuizen WH, Ryan PG, Taylor RH, Turpie JK. 2013. penguin: artificial nests or culling predatory gulls? Bird
South Africa's coastal-breeding white-breasted cormorants: Conservation International 23: 296–308.
population trends, breeding season and movements, and Pichegru L, Grémillet D, Crawford RJM, Ryan PG. 2010. Marine
diet. African Journal of Marine Science 35: 473–490. no-take zone rapidly benefits Endangered penguin. Biology
Crawford RJM, Randall RM, Cook TR, Ryan PG, Dyer BM, Fox R, Letters 6: 498−501.
Geldenhuys D, Huisamen J, McGeorge C, Upfold L, Visagie Pichegru L, Ryan PG, van Eeden R, Reid T, Grémillet D, Wanless
J, Waller LJ, Whittington PA, Wilke CG, Makhado AB. 2016. R. 2012. Industrial fishing, no-take zones and endangered
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