Page 85 - Atlas Sea Birds Ver1

Estimates of numbers of pairs of seven species of seabird at Mercury Island, 1956–2022. Values bracketed for 2022 were
counts made outside the main breeding seasons of the species concerned

African Cape Cape Bank White-breasted Crowned Kelp
Year
Penguin Gannet Cormorant Cormorant Cormorant Cormorant Gull
1956 971 9400 1540 964
1967 882 5150 914
1969 1213 2840 1355
1978 3218 5700 5890 2305 5
1980 8840 2250 6 21
1981 2060 5000
1982 3360 169
1983 2380
1984 3600
1985 2092 2290 120 659 4 9
1986 1126 2480 350 617 5 10
1987 2181 2360 414 162 2
1988 3280 72 70
1989 3394 2930 70
1990 3552 384
1991 220 2
1992 3576 2760 1665 1010
1993 3666 2720 1007 6
1994 1640 1620 883
1995 2261 1990 669 4
1996 2387 1790 2834 690 23
1997 2662 1430 924 543 21
1998 2884 1360 1634 571 42
1999 3041 985 817 40 1
2000 2822 1148 993 36 0
2001 2615 1690 1307 1172 36 0
2002 3462 1276 1217 47 2
2003 2783 1500 1364 1845 31 0
2004 2037 1910 2363 1615 43 0
2005 2455 1410 1590 1914 49 0
2006 1813 1420 27 1839 48 2
2007 2026 474 1799 37 0
2008 3188 957 2043 51 1
2009 2565 365 1757 59 0
2010 3555 2200 2025 2505 44 0
2011 3171 2200 893 2508 70 2
2012 3319 1614 1995 62 2
2013 3056 353 2308 63 2
2014 2448 1355 1690 63 0
2015 2646 480 2019 42 0
2016 2718 833 1732 47 0
2017 2645 1350 1943 48 0
2018 2497 3622 1050 2258 5 0
2019 2305 619 2357 3 0
2020 1826 666 1133 0 0
2021 3247 0 0
2022 (8) (1001) 923 882 0 24 0

79