Page 94 - Atlas Sea Birds Ver1

Table 1: Estimated numbers (pairs) of nine seabird species and African Oystercatcher breeding at Ichaboe Island, 1828–2022

African Cape Cape Bank White- Crowned Kelp Hartlaub’s Greater African
Year breasted Crested Oyster-
Penguin Gannet Cormorant Cormorant Cormorant Cormorant Gull Gull Tern catcher
1828 √ √
1885 √
1910 2
1951 √
1956 1441 175116 √ 1302
1967 994 3213 1351
1969 1112 166600 √
1977 20
1978 3598 69908 21695 4102 20 227 1
1979 √ 21 100
1980 54330 33700 4612 19 220
1981 49680 38636 18
1982 29 180
1983 46760
1984 56210 24201 43
1985 2070 40700 15232 1055 13 147
1986 739 528 1392 12 148
1987 1372 49260 7742 1231 12 89
1988 55610 16619 √
1989 58240 26781
1990 1937 4432
1991 9790 4885 86
1992 2418 25530 22698 3764 107 20 3
1993 2655 31480 14318 5182 10 112 23
1994 2736 13000 4391 78 37
1995 3343 31180 18272 2625 7 106 38
1996 2640 32660 16888 2342 475 43 19
1997 1903 23700 19745 1139 189 58
1998 1562 19970 7785 732 203 73 0
1999 1731 695 260 74 3
2000 1345 26000 737 279 80 19 1 2
2001 2260 13270 18495 631 234 88 4
2002 2182 35334 476 389 81 4
2003 2158 11837 27467 472 2 267 65 4
2004 864 10950 21329 286 218 83 15 7
2005 1077 8669 16366 281 213 64 53 4 6
2006 715 12080 31970 245 248 72 110 5
2007 531 15180 218 250 109 34 200 8
2008 604 24876 230 472 75 318 541 13
2009 615 35750 167 419 140 1571 12
2010 661 10500 217 548 32 75 1
2011 576 10690 79 266 159 338 6
2012 551 97 223 93 219 295 8
2013 605 283 172 102 175 546 7
2014 676 10080 13694 252 167 87 3 8
2015 488 179 130 92 410 527 3
2016 444 20831 287 164 89 149 397 5
2017 346 # 347 167 97 193 283 9
2018 √ 7634 # 171 97 91 88 188 5
2019 √ 167 128 87 45 6
2020 17183 112 73 97 568 13
2021 80 82 2
2022 20 c. 7000 # 55 0 78 72 21 6 11

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