Global Environmental History - Extinction of Animals

Paramylodon

11,000 BCE

(https://en.wikipedia.org/wiki/Paramylodon)
Paramylodon or Harlan's Ground Sloth

Short-Faced Bear

10,900 BCE

(https://en.wikipedia.org/wiki/Short-faced_bear)
Short-Faced Bear

Smilodon

10,000 BCE

(https://en.wikipedia.org/wiki/Smilodon)
Smilodon or Saber-Tooth Tiger

Irish Elk

7700 BCE

(https://en.wikipedia.org/wiki/Irish_elk)
Irish Elk

Bison Skull

1870

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Mass extinctions of bisons.