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values. The decade of observation is colour-coded and the percentage contribution of values from different decades to the sum of the most recent values is indicated. Numbers at subsites of Swartkops River and
Lake St Lucia are shown in red and summed under those sites. Sites that held ≥ 1% of the most recent population are highlighted in grey. Note that the row entries ‘Other Namibian sites’ and ‘Other South African
Table 2: Estimates of numbers of White-breasted Cormorants (pairs) breeding coastally in southern Africa in Brooke et al. (1992) and Kemper et al. (2007), and in South Africa in Crawford et al. (2013). Also shown
are maxima observed at sites from 2018–2022 and in five decadal periods, in addition to the most recent value for each site, the year of that observation, and its percentage contribution to the total of the most recent
2010/20s 72.92 2010s 28
Maximum observed pairs in different decades
2000s 11.89 2000s 100 50 60 0
1990s 1.51 1990s
% of sum of most recent estimates from different decades
1980s 13.62 1980s 15 10 43 49 12 14 4 82 32 30
1970s 0.05 1970s 50 32 27 20 41 44 27 46 22 0 115
sites’ list totals for such sites as given in Kemper et al. (2007). ‘√’ signifies that breeding occurred at a site but the numbers were not ascertained
% of sum of most recent estimates 5.41 2.70 3.24 0.81 0.54 2.32 2.65 0.65 0.59 0.22 2.59 2.81 0.00 0.00 0.00 0.00 5.62
2010s Year of most recent estimate 2005 2005 2005 1981 1979 1981 1981 1981 1981 1981 1980 2022 1981 2007 2020 2020 2020 2020
2020s Most recent estimate (pairs) 100 50 60 15 √ 10 43 49 12 11 4 48 52 0 0 0 0 104
2000s This study 2018- 2022 48 0 0 0 104
1990s Maximum observed pairs in different periods Crawford et al. 2013 2008- 2012
1980s Kemper et al. 2007 1995- 2006 60
1970s Brooke et al. 1982 1977-1981 15 √ 50 43 49 27 20 53 82 32 46 22 0 115
Decade of most recent estimate Ilha Sao João da Cazanga Ilha dos Pássaros Ilha dos Tigres Namibia Cunene River estuary Kaiyo Maru wreck 10 km n Angra Fria Suidekus wreck 2 km n Möwe Möwe Bay Die Oase Henrietta Spachette wreck Montrose wreck 16 km s Pal- grave Point Toscanini pylons and Decca Huab River lagoon 10 km south of Toscanini Winston wreck, 10 km s Durissa Bay Cape Cross north platforms Cape Cross central platform Cape Cross south platform Mile 4 Saltw
Angola
Site
433 Bay station

