Rapid body size decline in Alaskan Pleistocene horses before extinction

  title={Rapid body size decline in Alaskan Pleistocene horses before extinction},
  author={R. Dale Guthrie},
  • R. Dale Guthrie
  • Published 2003
  • Nature
  • About 70% of North American large mammal species were lost at the end of the Pleistocene epoch1. The causes of this extinction—the role of humans versus that of climate—have been the focus of much controversy1,2,3,4,5,6. Horses have figured centrally in that debate, because equid species dominated North American late Pleistocene faunas in terms of abundance, geographical distribution, and species variety, yet none survived into the Holocene epoch. The timing of these equid regional extinctions… CONTINUE READING
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