From Yuval Noah Harari's 'Sapiens': "[T]he first wave of Sapiens colonization was one of the biggest and swiftest ecological disasters to befall the animal kingdom." (thread)pic.twitter.com/Ay4pKL0K1u
Human, student, non-Buddhist Buddhist, intellectual masochist. Confident only of my own ignorance. Don't believe anything I say.
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From Yuval Noah Harari's 'Sapiens': "[T]he first wave of Sapiens colonization was one of the biggest and swiftest ecological disasters to befall the animal kingdom." (thread)pic.twitter.com/Ay4pKL0K1u
Before humans migrated out of Afro-Asia about 45,000 years ago, Australia was home to a variety of organisms that had evolved in isolation for millions of years.
Among these creatures were 450-pound, six-foot kangaroos, a marsupial lion as large as a modern tiger, flightless birds twice the size of ostriches, the giant diprotodon - a two-and-a-half-ton wombat - as well as lizards, snakes, and giant koalas.
Save for the birds and reptiles, these animals were marsupials - meaning that, like kangaroos, they gave birth to tiny, helpless offspring, which they nurtured with milk in abdominal pouches.
Within a few thousand years of Humans' arrival in Australia, twenty-three of the twenty-four animal species weighing 100 pounds or more became extinct, as did a large number of smaller species. The entire food chain throughout the Australian ecosystem was broken and rearranged.
As if that weren't remarkable enough, the Homo Sapien migration to America - which took place around 16,000 years ago - resulted in an even bigger ecological disaster.
Upon arriving in North America, humans "encountered mammoths and mastodons, rodents the size of bears, herds of horses and camels, oversized lions and dozens of large species the likes of which are completely unknown today, among them fearsome sabre-tooth cats and giant sloths."
"South America had an even more exotic menagerie of large mammals, reptiles, and birds. The Americas were a great laboratory of evolutionary experimentation. . . ."
Within 2,000 years of humans setting foot, most of these species were gone. In North America, thirty-four our of forty-seven genera of large mammals disappeared. In South America, fifty out of sixty. So did thousands of species of smaller mammals, reptiles, birds, and insects.
Note that this was all millennia before the Agricultural Revolution, after which events like this repeated themselves many times. Fucking humans, man. Always fucking shit up.
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