Page 250 - Atlas Sea Birds Ver1

reduce predation by gulls and heat stress (Pichegru 2012). African Cape Kelp
Cape Gannets breed at the east of the island. Roseate Year Penguin Gannet Gull
Terns nest in low-lying vegetation. The island has a jetty, 1991 3194 62960
a lighthouse, and various buildings on its north and south 1992 3784 61930
sides, including a guano shed and limited accommodation.
Recent attempts have been made to prevent Kelp Gulls 1993 2293 72150
from breeding at the island and to reduce their numbers to 1994 72000
decrease their impact on penguins and gannets. 1995 3651 72000
There were 12 records of Australasian Gannet (Morus 1996
serrator) at Bird Island, Algoa Bay, between 1990 and 2020 1997 1621 70130
(Dyer 1990, Dyer et al. 2001, BMD unpubl.).
Seabird guano was collected at Bird Island in Algoa 1998 60970
Bay in 84 years between 1897 and 1998, the total quantity 1999 3883
removed from the island in this period being 27,525 metric 2000 4093
tons (Tom et al. 2024). 2001 5376 96590
Conservation status: It falls within GAENP and has 2002 4459 84770
restricted access. 2003 936 87380
Species breeding: African Penguin, Cape Gannet, Kelp
Gull, Greater Crested Tern, Caspian Tern, Roseate Tern. 2004 2951 96940 23
Numbers breeding: The maximum numbers (pairs) of 2005 3203 108950 43
seabirds breeding annually at Bird Island, Algoa Bay, 2006 2822 87550
1755–2022. 2007 1403 83260
African Cape Kelp 2008 2765 106490
Year 2009 2624 94050 47
Penguin Gannet Gull
1755 11710 473 2010 0
1858 12000 2011 2600 91530 2
1901 √ 2012 3031 103200
1924 2013 2486 87900 1
1936 2014 2837 84000 0
1937 2015 2843 90000 0
1940 2016 2635 99000 0
1945 80 2017 2229 98100 0
1947 2018 2605 95720 0
1948 2019 2378
1954 50 2021 1853
1956 250 19092 2022 1437
1958 60
1959 27230 Greater Caspian Roseate
1963 Year Crested Tern Tern
1969 34090 Tern
1971 31800 1755
1974 40730 1858
1976 1901
1977 345 20 1924 2
1978 45032 1936 √ √
1979 314 40730 1937 √
1980 50610 20 1940 √
1981 572 52680 1945
1982 54750 13 1947 √
1983 √ 52110 1948 √
1984 49470 12 1954
1985 √ 50640 2 1956
1986 √ 56670 1958
1987 56700 1959
1988 62120 1963 21
1989 56370 1969
1990 3703 59090 1971

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