Page 154 - Atlas Sea Birds Ver1

Numbers (pairs) of different seabird species breeding at Marcus Island, 1923–2022

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

1923 c. 100 √
1950 √
1951 √ 51
1956 4750 43 3
1958 27 8
1960 √
1972 34 5 1
1973 1222 250 62 41 30
1976 717 c. 10 39
1977 20 75 749 2
1978 0 26 58 30 80 687
1979 1243 19 13 9 58
1980 5 23
1981 105 10
1984 250 3308
1985 28 18 36 58 0
1986 √
1987 214 24 0 √ 792 1
1988 0
1989 0 0
1990 24 0 22 65 660 75 0
1991 207 34 0 28 8 22 0 0
1992 18 0 40 4 8 0 0
1993 22 0 34 0 0 0 0
1994 204 23 0 40 0 63 407 0
1995 160 21 0 37 0 0 0 0
1996 99 25 0 100 0 220 2368 0
1997 73 34 0 21 0 0 0 0
1998 122 27 0 58 0 40 1023 0
1999 116 27 0 0 0 0 0
2000 96 27 0 47 0 0 0 0
2001 114 29 0 42 0 0 0 0
2002 57 17 0 16 0 0 0 0
2003 65 24 0 0 0 0 0
2004 78 27 0 0 231 0 0
2005 53 24 0 196 0 2 1686 0
2006 33 27 0 39 0 0 0 0
2007 59 27 0 0 0 0 0
2008 64 27 0 44 0 0 0 0
2009 41 34 0 36 0 0 0 0
2010 21 30 0 44 0 0 0 0
2011 28 0 30 0 23 0 0 0 0
2012 11 0 31 0 10 0 0 0 0 0
2013 23 0 35 0 0 0 0 0 0
2014 9 0 28 0 0 0 0 0 0
2015 10 0 18 0 0 0 0 0 0
2016 20 0 12 0 0 0 0 0 0 0
2017 0 0 6 0 0 0 0 0 0 0
2018 4 0 4 0 0 0 0 0 0
2019 0 0 0 0 0 0 0 0 0
2020 0 0 0 0 0 0
2021 0 0
2022 0

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