Page 172 - Atlas Sea Birds Ver1

References off western South Africa. South African Journal of Marine
Science 22: 157–176.
Barnes KN. 1998. Important bird areas of the Western Cape. In: Crawford RJM, David JHM, Shannon LJ, Kemper J, Klages NTW,
Barnes K (ed.). The Important Bird Areas of Southern Africa. Roux J-P, Underhill LG, Ward VL, Williams AJ, Wolfaardt AC.
BirdLife South Africa; Johannesburg: 219–267. 2001. African Penguins as predators and prey – coping (or
Brooke RK, Cooper J, Shelton PA, Crawford RJM. 1982. Taxonomy, not) with change. South African Journal of Marine Science
distribution, population size, breeding and conservation of 23: 435–447.
the White-breasted Cormorant, Phalacrocorax carbo, on the Crawford RJM, Dyer BM, Kemper J, Simmons RE, Upfold L. 2007a.
southern African coast. Le Gerfaut 72: 189–220. Trends in numbers of Cape Cormorants (Phalacrocorax
Brooke RK, Allan DG, Cooper J, Cyrus DP, Dean WRJ, Dyer capensis) over a 50-year period, 1956–57 to 2006–07. Emu
BM, Martin AP, Taylor RH. 1999. Breeding distribution, 107: 253–261.
population size and conservation of Grey-headed Gull Larus Crawford RJM, Underhill LG, Upfold L, Dyer BM. 2007b. An altered
cirrocephalus in southern Africa. Ostrich 70: 157–163. carrying capacity of the Benguela upwelling ecosystem for
Cooper J. 1974. The predators of the jackass penguin (Spheniscus African penguins (Spheniscus demersus). ICES Journal of
demersus). Bulletin British Ornithological Club 94: 21–24. Marine Science 64: 570–576.
Cooper J. 1981. Biology of the Bank Cormorant, part 1: distribution, Crawford RJM, Whittington PA, Dyer BM, Upfold L. 2007c. Trends
population size, movements and conservation. Ostrich 52: in numbers of Leach’s Storm Petrel, Hartlaub’s Gull and Swift
208–215. and Roseate terns breeding in South Africa. In: Kirkman SP
Cooper J, Brooke RK, Shelton PA, Crawford RJM. 1982. (ed.). Final Report of the BCLME (Benguela Current Large
Distribution, population size and conservation of the Cape Marine Ecosystem) Project on Top Predators as Biological
Cormorant Phalacrocorax capensis. Fisheries Bulletin South Indicators of Ecosystem Change in the BCLME. Avian
Africa 16: 121–143. Demography Unit; Cape Town: 211–213.
Cooper J, Crawford RJM, Suter W, Williams AJ. 1990. Crawford RJM, Cockroft AC, Dyer BM, Upfold L. 2008. Divergent
Distribution, population size and conservation of the Swift trends in Bank Cormorants Phalacrocorax neglectus
Tern Sterna bergii in southern Africa. Ostrich 61: 56–65. breeding in South Africa’s Western Cape consistent with
Cooper J, Brooke RK, Cyrus DP, Martin AP, Taylor RH, Williams AJ. a distributional shift of rock lobsters Jasus lalandii. African
1992. Distribution, population size and conservation of the Journal of Marine Science 30: 161–166.
Caspian Tern Sterna caspia in southern Africa. Ostrich 63: Crawford RJM, Underhill LG, Altwegg R, Dyer BM, Upfold L.
58–67. 2009. Trends in numbers of Kelp Gulls Larus dominicanus
Crawford RJM. 2007. Trends in numbers of three cormorants off western South Africa, 1978–2007. Ostrich 80: 139–143.
Phalacrocorax spp. breeding in South Africa’s Western Crawford RJM, Altwegg R, Barham BJ, Barham PJ, Durant JM,
Cape Province. In: Kirkman SP (ed.). Final Report of the Dyer BM, Geldenhuys D, Makhado AB, Pichegru L, Ryan
BCLME (Benguela Current Large Marine Ecosystem) Project PG, Underhill LG, Upfold L, Visagie J, Waller LJ, Whittington
on Top Predators as Biological Indicators of Ecosystem PA. 2011. Collapse of South Africa’s penguins in the early
Change in the BCLME. Avian Demography Unit; Cape Town: 21st century: a consideration of food availability. African
173–178. Journal of Marine Science 33: 139–156.
Crawford RJM. 2009. A recent increase of swift terns Thal- Crawford RJM, Dyer BM, Geldenhuys D, Makhado AB, Randall
asseus bergii off South Africa – the possible influence of RM, Upfold L, Visagie J, Waller L. 2012. Trends in numbers
an altered abundance and distribution of prey. Progress in of crowned cormorants in South Africa, with information on
Oceanography 83: 398–403. diet. African Journal of Marine Science 34: 411–424.
Crawford RJM, Underhill LG. 2003. Aspects of breeding, molt, Crawford RJM, Kemper J, Underhill LG. 2013a. African Penguin
measurements and population trend of Hartlaub’s Gull in (Spheniscus demersus). In: Garcia Borboroglu P, Boersma
Western Cape, South Africa. Waterbirds 26: 139–149. PD (eds). Penguins Natural History and Conservation.
Crawford RJM, Cooper J, Shelton PA. 1982a. Distribution, University of Washington Press; Seattle and London: 211–
population size, breeding and conservation of the Kelp Gull 231.
in southern Africa. Ostrich 53: 164–177. Crawford RJM, Randall RM, Whittington PA, Waller LJ, Dyer BM,
Crawford RJM, Shelton PA, Brooke RK, Cooper J. 1982b. Allan DG, Fox C, Martin AP, Upfold L, Visagie J, Bachoo
Taxonomy, distribution, population size and conservation S, Bowker M, Downs CT, Fox R, Huisamen J, Makhado AB,
of the Crowned Cormorant Phalacrocorax coronatus. Le Oosthuizen WH, Ryan PG, Taylor RH, Turpie JK. 2013b.
Gerfaut 72: 3–30. South Africa’s coastal-breeding white-breasted cormorants:
Crawford RJM, Dyer BM, Brooke RK. 1994. Breeding nomadism population trends, breeding season and movements, and
in southern African seabirds – constraints, causes and diet. African Journal of Marine Science 35: 473–490.
conservation. Ostrich 65: 231–246. Crawford RJM, Makhado AB, Whittington PA, Randall RM,
Crawford RJM, Cooper J, Dyer BM. 1995a. Conservation of an Oosthuizen WH, Waller LJ. 2015. A changing distribution of
increasing population of Great White Pelican Pelecanus seabirds in South Africa – the possible impact of climate
onocrotalus in South Africa’s Western Cape. South African and its consequences. Frontiers in Ecology and Evolution 3:
Journal of Marine Science 15: 33–42. 10, 1–10.
Crawford RJM, Williams AJ, Hofmeyr JH, Klages NTW, Randall Crawford RJM, Randall RM, Cook TR, Ryan PG, Dyer BM, Fox R,
RM, Cooper J, Dyer BM, Chesselet Y. 1995b. Trends of Geldenhuys D, Huisamen J, McGeorge C, Upfold L, Visagie
African penguin Spheniscus demersus populations in the J, Waller LJ, Whittington PA, Wilke CG, Makhado AB. 2016.
20th century. South African Journal of Marine Science 16: Cape cormorants decrease, move east and adapt foraging
101–118. strategies following eastward displacement of their main
Crawford RJM, Dyer BM, Cordes I, Williams AJ. 1999. Seasonal prey. African Journal of Marine Science 38: 373–383.
pattern of breeding, population trend and conservation Crawford RJM, Sydeman WJ, Thompson SA, Sherley RB,
status of Bank cormorants Phalacrocorax neglectus off Makhado AB. 2019. Food habits of an endangered
southwestern Africa. Biological Conservation 87: 49–58. seabird indicate recent poor availability of abundant forage
Crawford RJM, Davis SA, Harding R, Jackson LF, Leshoro TM, resources. ICES Journal of Marine Science 76: 1344–1352.
Meÿer MA, Randall RM, Underhill LG, Upfold L, van Dalsen Crawford RJM, Sydeman WJ, Tom DB, Thayer JA, Sherley RB,
AP, van der Merwe E, Whittington PA, Williams AJ, Wolfaardt Shannon LJ, McInnes AM, Makhado AB, Hagen C, Furness
AC. 2000. Initial impact of the Treasure oil spill on seabirds RW, Carpenter-Kling T, Saraux C. 2022. Food limitation of

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