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1 results

  • 8 - The Late Quaternary Megafaunal Extinctions

  • Michael Hannah, Victoria University of Wellington
  • Book:
    Extinctions
    Published online:
    01 September 2021
    Print publication:
    16 September 2021, pp 169-192

  • Summary

    Between 50 thousand and 10 thousand years ago many of the large vertebrate animals, the megafauna, went extinct on all continents except Africa. There the elephant, big cats, hippo and others are remnants of a megafauna that once occupied the entire globe. This is the youngest mass extinction in the fossil record and there have been several suggestions for what caused it: climatic instability as the planet emerged from the last ice age; the appearance of the first modern human hunters; and climatic instability driven by the impact of a comet. There is considerable scepticism about the impact scenario, so most workers fall into one of two camps – either climate change or humans were wholly responsible for the extinction. However, there is a growing body of opinion that supports the idea that neither climate nor the presence of humans on their own were enough to trigger the megafaunal extinctions: some combination of the two is needed.