10,000 years ago, many mammals over 100lbs went extinct. It was called the Late Pleistocene extinction of megafauna. Some scientists believed humans caused it. I’ve always been skeptical because: 1. Hunting is not energy efficient 2. Humans were primarily foragers
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3. Mammals likely don’t reproduce often enough to overcome death rates of once every couple of months. Even if humans only successfully hunted and killed a saber tooth tiger every couple of weeks, that would be enough to drive these mammals to extinction.
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Replying to @then_there_was
I think Diamond talks about this in The Third Chimpanzee. In South Pacific islands, the most recent megafauna bones are as old as the oldest human tools. Hmmm.
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Replying to @matthews_bd @then_there_was
Also, Africa has megafauna! Because they coevolved with us there and learned how to scare off humans.
3:01 PM - 8 Jun 2018
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