Penguin fossils from 10 million to 12 million years ago have been unearthed in South Africa, the oldest fossil evidence of these cuddly, tuxedoed birds in Africa.
The new discovery, detailed in the March 26 issue of the Zoological Journal of the Linnean Society, could shed light on why the number of penguin species plummeted on Africa's coastline from four species 5 million years ago to just one today — Spheniscus demersus, or the jackass penguin, known for their donkey like calls.
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