History Facts - When we think of endangered animals, we generally think about elephants, tigers, and whales — but certainly not humans. Yet between 800,000 and 900,000 years ago, ancestors of Homo sapiens lost 98.7% of their population, according to a 2023 study published in the journal Science. Before the population crash, as many as 135,000 early humans roamed the Earth, but according to the team of geneticists behind the study, that number plummeted to about 1,280 breeding individuals, and the population stayed that low for more than 100,000 years. (These weren’t modern humans, but earlier hominins on the genetic timeline; one species that was alive at the time was Homo erectus, and we’re still discovering new prehistoric human species.)
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