Within 1,000 years of humans migrating into the Americas, more than 114 species of large plant-eaters, including woolly mammoths, giant camels, and ground sloths, went extinct.
Sources
- Mammoth-Belch Deficit Caused Prehistoric Cooling? (nationalgeographic.com)
- https://blog.everythingdinosaur.com/blog/_archives/2010/06/05/4545196.html (blog.everythingdinosaur.com)
- https://www.nature.com/articles/ngeo877 (nature.com)
- https://insider.si.edu/2010/06/killing-of-methane-producing-megafauna-may-have-caused-cooling-13000-years-ago (insider.si.edu)
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