About St Croix Island Penguin Colony

St Croix in Port Elizabeth is home to the largest African penguin colony in the world. It lies 4 km offshore between the Coega and Sundays River mouths, part of a group of coastal island clustered roughly into two groups of three islands each.

Did you know? St Croix, along with Bird Island (and Robben and Dassen islands on the west coast), is part of an experiment to study the effects of fishing on penguin breeding and foraging behaviour.

St Croix, a 12 ha rocky island, lies close to the smaller Jahleel and Brenton Rocks. It is made up of a series of quartzitic outcrops that rise as high as 53 metres on St Croix.

The island is almost entirely devoid of soil today although this was not always the case. Historical references paint a different picture of the island as 'brown with seawolves (seals) and white with birds' in 1575. It took just four years during the 1820s to annihilate the seals.

As with Dassen Island, penguin eggs by the thousand were removed for human consumption halting only around 1956. And guano harvesting resulted in all its soil finding its way onto foreign ships to serve elsewhere as fertilizer.

Today St Croix is a penguin sanctuary. Boats are not allowed to land on the group of islands, although some charter boats cruise close enough to enable one to see the penguins quite easily.

Fishing exclusion zones have been put in place 20km around the islands, with three years on and three years off, to see the effect on the penguins. The islands are studied in pairs to control for any variation in findings. But preliminary findings suggest that the fishing exclusion zones are good for the penguins on St Croix, but not for the penguins on the west coast.

The different conditions on the west coast, by comparison with the south, scientists think account for the difference.

Need to Know

WhereSt Croix Island Penguin Colony, Marine Reserve, Algoa Bay, Port Elizabeth, Eastern Cape, South Africa

WhenBest during daylight hours.

OvernightStay in Port Elizabeth Accommodation, Eastern Cape


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All About The Penguins

Want to see african penguin in their natural habitat? In South Africa the African Penguin is found mainly on islands off our shoreline. It has also taken up residence amongst us in mainland colonies. Find out about the African Penguins...

The Penguin Route

Mainland Colonies

Offshore Colonies

In the vicinity

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