Page 392 - Atlas Sea Birds Ver1

and so qualifying as an IBA, or holding ≥ 1% of the population in 2020–2022 or for the most recent counts at sites are shaded grey. A colour code is used to indicate the decade providing the most recent estimate
(2015) are shown, as well as maxima for 2017–2019 and 2020–2022 and for five decadal periods (1970s, 1980s, 1990s, 2000s, 2010s). The most recent estimates for each site are also shown. Sites with ≥ 10 pairs,
Table 2: Numbers of pairs of Bank Cormorants at its 59 known breeding sites, which are ordered from north to south. Estimates from Cooper (1981), Crawford et al. (1999, 2015), Kemper et al. (2007), and AEWA
% of sum of most recent estimates from different decades
2010s/20s 91.93 2010s/20s 2508 347 25 362 23 18

2000s 5.01 2000s 20 2043 41 20 737 58 149 37 24 16 36 33 9 15

1990s 3.06 Maximum observed pairs in different decades 1990s 19 1010 103 5182 7 50 50 56 36 32 24 29 16 30 6 12

for a site and the percentage contribution of each decade to the most recent overall estimate of the species’ population is shown. ‘?’ signifies that breeding may have taken place
1980s 0.00 1980s 13 2250 152 4612 48 113 37 207 53 21 12 7

1970s 0.00 1970s 18 2305 4102 56 231 40 56 35 172 209 61 51 42 0

% of sum of most recent estimates; ≥ 1% grey 0.43 1.22 53.91 0.31 1.22 3.36 0.00 3.06 0.98 1.04 1.22 2.26 0.49 0.00 1.83 1.53 0.37 0.55 0.55
IBA on basis of ≥ 10 pairs; also sites with ≥ 1% of species' population

Year of most recent estimate 1986 2020 2002 2022 2021 2002 2022 2020 1996 2021 2022 2020 2001 2021 2020 2021 2008 2008 2008 2008

Most recent estimate (pairs); IBAs shaded grey ? 7 20 882 5 20 55 0 50 16 17 20 37 8 0 30 25 6 9 9

% of sum of 2020- 2022 0.40 50.63 0.29 10.73 0.00 0.92 1.55 1.15 0.46 0.00 1.72
This study 2020- 2022 7 882 5 187 0 16 27 20 8 0 30

2017- 2011- 2019 2013 2357 347 25 362 11 11

Crawford
(2015)
et al.
Maximum breeding pairs observed
2010/20s AEWA (2015) 2505 217 18 70 14 25 6

2000s Kemper et al. (2007) 19 20 1839 15 300 58 149 36 37 10 2 36 0 9 5

1990s Crawford et al. (1999) 1995- 1997 19 679 87 2625 0 50 50 63 36 32 0 5 20 20 30 1 18

1980s Craw- ford et al. (1999) 1978- 1980 18 1986 4345 56 169 40 56 35 155 157 59 48 42 0

1970s Cooper (1981) 1977- 1981 18 2305 4102 59 260 40 56 35 172 209 61 51 50 7

Decade of most recent estimate Namibia Swakop River mouth Hollamsbird Island Oyster Cliffs Mercury Island Neglectus Hottentot Bay jetty Ichaboe Island Little Ichaboe Dagger Rocks Seal Island Penguin Island North Long Island Lady's Rocks Elizabeth Bay jetty North Reef Possession Island Albatross Island Pomona Island Plumpudding Island Sinclair Island

Site

386