Page 156 - Atlas Sea Birds Ver1

2020, the maximum number of pups born at the rock Penguin breeding at the island decreased from c. 7,500
was eight in 2017 (Seakamela et al. 2024). pairs in 1963 to 73 pairs in 2022, numbers of Cape Cormo-
Conservation status: The island falls within WCNP. rants from c. 30,000 pairs in 1990 to fewer than 10,000 pairs
Species and numbers breeding: Twelve seabird species from 1992–2020, and numbers of Bank Cormorant from 61
have bred at Jutten Island. Their numbers are given on the in 2000 to none since 2018. It is likely that the causes
following table applicable to this island. Numbers of African of these decreases were similar to those affecting the

Numbers (pairs) of different seabird species breeding at Jutten Island, 1951–2022

African Penguin Petrel Pelican Cormorant Cormorant Cormorant Crowned Cormorant Kelp Gull Gull Gull Crested Tern Caspian Tern
Year Leach's Storm Great White Cape Bank White-breasted Hartlaub's Grey-headed Greater

1951 min. 4
1956 7500 27757 40 c. 285
1967 39
1977 53 132 20 118 2
1978 24277 30 74 22 714 800
1979 2878 24 9 80
1980 23
1981 113
1983 0
1985 217 39 26 37 1009
1986 47 281
1987 35 29 7 460 0 1
1988 16466 30 1844 1
1989 2548 35 0 1600 1288 1
1990 29819 52 0 23 528 1 3
1991 806 13472 58 0 31 1197 77 3012
1992 991 8114 61 0 35 406 18 1500
1993 526 5 54 0 23 1457 2 0
1994 1349 214 52 0 35 1020 0 2899
1995 891 2742 45 0 80 1348 41 0
1996 779 6623 42 0 52 1826 25 0
1997 947 5064 47 0 29 1239 0 1647
1998 962 743 49 0 24 1775 536 0
1999 759 5414 61 0 41 2067 1345 4
2000 898 5 932 61 0 57 2582 0 0
2001 1338 6 7252 43 0 97 1960 19 217
2002 1042 3 1705 40 0 62 1821 139 2801
2003 719 0 2878 36 0 70 2463 81 1370
2004 848 0 657 50 0 96 1710 115 0
2005 801 0 9038 41 0 42 1728 204 1667
2006 435 0 2742 30 0 71 2528 200 0
2007 329 0 4281 27 0 78 1162 0 7 1
2008 669 0 3043 27 0 82 1469 399 0
2009 408 0 5740 29 0 82 1324 0 0 1
2010 295 0 7329 27 0 90 1191 0 145 2
2011 386 0 4474 24 0 52 1714 116 0 1
2012 292 0 3 3500 19 0 70 1509 0 0 100 0
2013 253 0 0 2 16 0 14 1545 33 0 437 0
2014 159 0 0 6376 16 0 15 1554 109 0 0 1
2015 151 0 0 4412 4 0 17 1163 73 0 0 1
2016 137 0 0 4408 0 0 20 1476 0 0 249 1
2017 130 0 0 2500 4 0 0 1116 38 0 0 0
2018 67 0 0 3013 0 0 0 1209 16 0 0 1
2019 138 0 0 7876 0 0 13 1956 242 0 0 1
2020 0 0 6391 0 0 12 132 0 3 0
2021 49 0 6 73 0
2022 73

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