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A history of shifting fortunes for African penguins
Thomas, D.B.; Ksepka, D.T. (2013). A history of shifting fortunes for African penguins. Zool. J. Linn. Soc. 168(1): 207-219. hdl.handle.net/10.1111/zoj.12024
In: Zoological Journal of the Linnean Society. Academic Press: London. ISSN 0024-4082, more
Peer reviewed article  

Available in Authors 

Keywords
    Diversity; Extinction; Sphenisciformes; Western cape; Marine
Author keywords
    Langebaanweg

Authors  Top 
  • Thomas, D.B.
  • Ksepka, D.T.

Abstract
    Africa is home today to only a single breeding species of penguin, Spheniscus demersus (black-footed penguin), which is endangered with extinction. Spheniscus demersus has been the only breeding species of penguin to share African coastlines with humans over the last 400 000 years. Interestingly, African penguin diversity was substantially higher before the evolution of archaic humans. The fossil record indicates that a diverse assemblage of penguin species inhabited the southern African coasts for much of the Neogene. Previous excavations have identified four distinct species in Early Pliocene coastal marine deposits. Here we extend this pattern of high diversity and report the oldest record of penguins from Africa. Seventeen penguin specimens were identified from the Saldanha Steel locality, revealing the presence of at least four distinct species in South Africa during the Miocene. The largest of these species reached the size of the extant Aptenodytes patagonicus (king penguin), whereas the smallest was approximately the size of the smallest extant penguin Eudyptula minor (little blue penguin). Recovery of Miocene penguin remains is in accordance with earlier predictions of multiple pre-Pliocene colonizations of Africa and supports a higher level of ecological diversity amongst African penguins in the past.

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