Page 508 - Atlas Sea Birds Ver1

Table 1: Numbers of Hartlaub’s Gull (pairs) breeding in southern Africa, 1988–2022; (a) Swakopmund to Papendorp. “√” signifies that breeding ocurred at a site but the numbers were not ascertained; ‘?’

8 8
Saltworks
Papendorp

Tweepad

Harbour
Alexander Bay

Sewage Works
Alexander Bay
39 62 √
Estuary
Orange River

South Africa

Pond S2
Northern Mining

Pond N47
Northern Mining

Pond N83
Northern Mining
√ 29 4
Island
Possession
50
Island
North Long
252 1
8
0

Halifax Island
963 25 53 31 247
? √ √ √
Lüderitz Harbour
Shark Island;
√

Penguin Island

Seal Island

Ichaboe Island

Mercury Island
2
Namib Desert

3
Saltworks
Walvis Bay
50 50 35 500 500 250 195

Bird Paradise
Walvis Bay
5 150 √ 160 √
Harbour
that breeding may have taken place Saltworks Namibia Swakopmund Swakopmund 1 2 75 42 √
Walvis Bay
Sewage Works

1953
1952
1960
1956
1925
1926
1923
1888
1896
1929
1949
1951
1946
1930
Year
502 1962 1963 1964 1965 1968 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986