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Humans, not climate, killed off Australia’s big beasts

PARIS: Humans exterminated an array of weird and wonderful Australian creatures within only 4,000 years of arriving on the continent, according to a study published on Friday that shifted blame away from climate change. Before the arrival of homo sapiens, Australia boasted 450-kilogramme (1,000-pound) kangaroos, wombats weighing as much as a rhino, eight-metre (25-foot) lizards, larger-than-human birds, and car-sized tortoises. More than 85 percent of Australia's big mammals, birds and reptiles went extinct "shortly"…