Page 108 - Atlas Sea Birds Ver1
P. 108

Albatross Island (Rock)                             In 1956, 4,512 African Penguin eggs were collected at
                  Coordinates: 27.120 S; 15.238 E                   Possession  and  Pomona  islands (Makhado  et  al. 2024).
                  Description: This is an elongated, steep, rocky island that   Conservation status:  It  falls within  NIMPA and  has re-
                  supports a large herd of Cape Fur Seals (Rand 1963) and   stricted access (Currie et al. 2009).
                  has also been used for breeding by five seabird species.   Species and numbers breeding: Species known to have
                  Conservation status:  It  falls within  NIMPA and  has re-   bred at the island and estimates of numbers breeding are
                                                                    shown on the following table. The African Penguin popula-
                  stricted access (Currie et al. 2009)              tion numbered > 6,000 pairs in 1956 but has fallen to just
                  Species and  numbers breeding:  Five seabird species   one or a few pairs. In the present century, Cape, Bank and
                  are known to have bred at the island. Estimates of num-   Crowned  Cormorants and Kelp Gulls still bred in small
                  bers breeding  are shown  on the following  table. African   numbers.
                  Penguins bred at the island in 1885 but no longer do so
                  (Crawford et al. 1995).
                  Estimated numbers (pairs) of different seabirds breeding at Albatross Island, 1885–2008

                      Year      African Penguin    Cape         Bank Cormorant   Crowned Cormorant     Kelp Gull
                                                 Cormorant
                      1885            √
                      1975                                           10
                      1978                           9               61
                      1985            0              10                                  6
                      1991            0              16              16                  6
                      1995            0              20               11                 1
                      2000                           6                                  15
                      2004                           2                                                    1
                      2006                           7
                      2007                                           36
                      2008                           1               25
                  Pomona Island                                     Plumpudding Island
                  Coordinates: 27.195 S; 15.259 E                   Coordinates: 27.642 S; 15.514 E
                  Description:  A  crescent  shaped island that  rises  to    Description: Situated at the north of Baker Bay and de-
                  c.  12.5  m  above  sea level, has  an area of  3.25 ha and   void of vegetation, it has an area of c. 0.8 ha and rises to
                  lies  near  the shore in Jammer Bay (Rand  1963). It has   about 15 m above sea level. There are a few old build-
                  derelict accommodation on its northeast side that is partly   ings and a jetty in the southeast. African Penguins nested
                  surrounded  by a wall. There are also some sea walls. It   over much of the island (but not the centre) on hard rock or
                  lies  c.  210  m  from  the mainland, with which it may be   beach pebbles (Rand 1963). White-breasted Cormorants
                  occasionally connected.                           habitually nested on a low ridge jutting off the southeast of
                     Seabird guano was collected at the island in 70 years   the island (Rand 1963) but no longer breed at the island.
                  between 1896 and 1973, the total quantity removed from   Crowned  Cormorants  nested  on the jetty (Shaughnessy
                  the island in this period being 6,903 metric tons (Tom et   and Shaughnessy 1978).
                  al. 2024).
                  Estimated numbers (pairs) of different seabirds breeding at Pomona Island, 1885–2019

                                                    Cape
                      Year      African Penguin                 Bank Cormorant   Crowned Cormorant     Kelp Gull
                                                 Cormorant
                   1885               √
                   1956             6048             5               53
                   1967             3973                             73
                   1969             5609                             51
                   1978              123             15              51                 12                35
                   1979                                              42
                   1980              20             108              21                  9
                   1985              13             108              12                 34                77
                   1986              15             150               9                 14                24
                   1987               8              90              19                 10                29
                   1988              13             322              21                                  101




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