Page 523 - Atlas Sea Birds Ver1
P. 523

Table 1: continued. Numbers of Grey-headed Gulls (pairs) breeding at coastal sites in southern Africa, 1865–2022: b) near Bredasdorp
                  to Muzi Pan (continued). Subsites of Swartkops River and Lake St Lucia are shown in red. ‘√’ signifies that breeding occurred at a site but
                  the numbers were not ascertained; ‘?’ that breeding may have taken place




                  Year  Near Bredasdorp  De Hoop Vlei  Algoa Bay  Swartkops River valley  Bar None Saltpans  Chatty Saltpans  Redhouse Saltpans  Power Station pans  Fishwater Flats  Tippers Creek  Coega River Saltworks  Sundays River Saltworks  Lake St Lucia  Vincent Islands  Lake Bhangazi South  Lane Island  Lane Island extension  Bird Island  North Island  Selley's Lakes  False Bay North  Muzi Pan




                1992          14  14   0   0   14                           1500         1500
                1993         120  120  82  0   38                            √            √
                1994          0   0    0   0   0                            200           200
                1995          0   0    0   0   0                             √            √
                1996          37  6    0   0   6                    31       √            √
                1997          28  28   0   0   28                           199           105      94
                1998          74  59   0   0   59                   15       √
                1999          0   √    0   √   0                             √            √
                2000          92  90  50   40  0                         2  728           728
                2001         208  205  0   25  0   180                   3  300           200      100
                2002          63  63   0   63  0                             90           90
                2003          98  98   0   98  0                            237           142              95
                2004          111  84  15  69  0                    27      132                                     1
                2005         200  200  47  153  0                           129           129
                2006         608  608  608  0  0
                2007         238  36   6   30  0                    202
                2008         456  0            0                    456
                2009          14  14  14       0                                      √
                2010         248  234  234     0                    14
                2011                                                40       68                            68
                2012         121  46  46       0                    75       √                 √
                2013          8        √   8   0                            400           400
                2014          31       √   31  0                    0        ?                     ?
                2015          0        √       0                    0
                2016         163  163  155     0                8
                2017         119  119  119     0        0
                2018  0   0
                2019
                2020         600  600  0  600  0    0   0                    ?            ?        ?
                2021         500  500  0  500  0    0   0           0        64                                64
                2022         836  834  0  824  10   0   0                2

























                                      A Grey-headed Gull breeding at Robben Island, 1999 (photo RJM Crawford)


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