Page 110 - Atlas Sea Birds Ver1

Cape Bank White-breasted Crowned Kelp
Year African Penguin
Cormorant Cormorant Cormorant Cormorant Gull
2006 257
2007 86 9 29
2008 9
2014 216
2017 164
2019 130

allow access to Black-backed Jackals (Canis mesomelas) Species and numbers breeding: Species known to have
and Brown Hyaenas (Parahyaena brunnea). bred at the island and estimates of numbers breeding are
Seabird guano was collected at the island in 49 years shown on the following table. Accumulated seal guano al-
between 1896 and 1955, the total quantity removed from lowed seals to climb over the wall and occupy the enclosed
the island in this period being 3,582 metric tons (Tom et area and the number of penguins breeding decreased from
al. 2022).
Conservation status: It falls within NIMPA and has re- c. 3,000 pairs in 1948 to fewer than 150 pairs in 2017.
stricted access (Currie et al. 2009).

Estimated numbers (pairs) of different seabirds breeding at Sinclair Island, 1885–2019
Cape Bank Crowned Kelp
Year African Penguin
Cormorant Cormorant Cormorant Gull
1885 √
1948 3000 9
1956 1481
1967 395
1969 233
1976 196
1977 177
1978 246 0 0 12 9
1979 201
1980 124 20 7 27
1981 30
1985 51 58 2 8
1987 29 34 4 0
1988 44 96 2 4
1990 27
1991 38 6 1
1993 63 45 12 2
1995 110 146 6 15 20
1996 123
1999 55
2000 75
2001 86 116 7 10
2003 15
2004 77
2005 88 10 8
2006 105
2007 68 5
2008 9
2014 73
2017 106
2019 64

104