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Photos of a Swift tern colony on Dyer island and flying Swift terns (Sterna bergii) over the island and the sea

Swift Terns (Sterna bergii) are found on the islands off the South African coast all year round. They breed in colonies, often together with Hartlaub’s Gulls, as here on Dyer Island.
In South Africa, there are approximately 6,000 breeding pairs.
The breeding time at the western cape is between February and March, and the young birds fledge between April and May. An important food component during this period are anchovies which are hunted far out at sea.

Flying Swift tern

Flying Swift tern (Sterna bergii)

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

Swift tern feeds a chick

Swift tern colony

Swift tern colony

Swift tern colony

Swift tern colony

Swift tern colony

Swift tern colony

Swift tern colony

Swift tern colony

Swift tern colony

Swift tern colony

Swift tern colony

Swift tern colony

Flying Swift tern

Flying Swift tern

Flying Swift tern

Flying Swift tern

© Klaus Jost - wildlife- & nature- & underwater
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