Half of world's rare antelope population died within weeks

More than half of the world’s population of an endangered antelope died within two weeks earlier this year, in a phenomenon that scientists are unable to explain. At least 150,000 adult saiga antelopes were buried during a fortnight in May, but scientists say the actual figure will be significantly higher as many more carcasses were found but not counted as part of the burials. Calves were not counted, but it is thought that hundreds of thousands died too.
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