prehistoric species

So i had an idea for a TL where many major livestock survives in the Americas. However, the focus of the TL is the development of the Amazonian civilization. I ended up not doing her and doing other instead, because I wanted to better develop the idea of this TL. For a while, the objective of...

First off I wasn't sure if this would count as an ASB given Toba almost drove us to extinction but if it is do move it to that section of the forum. Anyways as you all may know 75,000 years ago humans actually came rather close to becoming extinct as a great catastrophe from Lake Toba occurred...