Page 499 - Atlas Sea Birds Ver1

2010/20s 79.34 2010s 7 0 1 39 50 1373 0 5 11 48 43 6 868 243 5 13 55 137

2000s % sum of most recent estimate from different decades 1990s 17.81 0.07 Maximum observed pairs in different decades 2000s 1990s 6 4 1 0 65 1453 0 17 2 139 4 683 560 176 12 6 10 1 140

Site held ≥ 1% of sum of most recent estimates 1980s 1960/70s 0.11 2.66 1980s 1970s 4 0 1 8 18 250 2 63 50 2 2 3 0 1 24 25 32 505 140 0 42 410 300

Year of % sum of most most recent recent estimates 0.02 0.00 0.05 0.00 0.00 0.32 3.11 2.49 0.00 0.01 0.01 0.01 0.01 0.02 0.00 0.07 0.01 0.01 0.30 0.27 0.04 4.23 0.00 2.71 0.01 0.04 0.01 0.03 0.01 0.07 0.58
estimate 1971 2018 1979 2018 2020 2021 2021 2021 2021 2021 1981 1981 2003 1981 1981 2012 1967 1966 2018 2018 2018 2020 2021 2021 2021 2021 2021 2021 2021 2021 2021

2020s Most recent estimate 4 0 8 0 0 51 500 400 0 2 1 2 2 3 0 11 1 1 48 43 6 680 0 435 1 6 2 5 1 12 93

2010s This study 2018- 2022 0 0 0 51 500 400 0 2 48 43 6 757 0 435 2 6 2 5 2 12 93

2000s Whittington et al. (2016) 2009-2013 1 39 62 1716 0 9 11 824 243 6 2 55 1 47

1990s Maximum breeding pairs observed Kemper et al. (2007) 10 1

1980s Whittington 2000- 2005 65 0 1453 0 17 2 139 2 683 34 12 0 0 23

1970s et al. (2016) 1976- 1981 1 1 8 18 0 250 2 63 2 2 3 1 0 25 32 102 100 410 20

1960s Crawford et al. (1982) 1976-1981 1 1 8 18 250 2 63 2 25 32 102 100 410 20

Decade of most recent estimate Site Site Pinnacle Point Gericke's Punt, Sedgefield Vaalkom Island, Knysna Thesen's Island, Knysna Western head Knysna Robberg Keurbooms Lookout Beach Keurbooms Peninsula Arch Rock, Keurboom Strand Tsitsikamma No 12 stack Helpmekaar River mouth stack TsitsikammaKlip River mouth Tsitsikamma, Beyer's Island TsitsikammaSkilderkrans Tsitsikamma Storms River mouth Tsitsikamma Elands River stack 2 km east of Huisklip Cape St Franc

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