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More than 120,000 critically endangered saiga antelopes - more than a third of the worldwide population - have died in Kazakhstan since mid-May, and the cause of the "catastrophic collapse" is unclear, officials said. "Not a single animal survived in the affected herds," said the Convention on the Conservation of Migratory Species of Wild Animals, a UN-backed effort also known as CMS. Two kinds of bacteria exacerbated the die-off, but they are not lethal unless the animal already has a weakened immune system, so experts are still trying to identify the underlying cause, CMS said. A 2010 photo of saiga antelopes on a plain in the Central Asian republic of Kazakhstan. The die-offs often take place "in the birth period, when saiga females come together in vast herds to all give birth within a peak period of less than one week", CMS said. This spring's deaths affected four such herds, primarily killing mothers and calves, it said. |
Saigas also have been hit hard by poaching, as the animal's horns are used in traditional Chinese medicine. Poaching soared in the wake of the Soviet Union's dissolution, and the saiga population plunged about 95 per cent in the 1990s, leaving only about 50,000 of the animals alive worldwide, according to CMS. Kazakhstan has since banned hunting the antelope, and its numbers have started to grow again. Officials are still counting the saigas that died in recent weeks, so it is likely that the final estimate will surpass 120,000, CMS said. However, it said, the latest die-off appears to have ended, and there is hope for the endangered antelope's numbers. |
"Saiga antelopes often have twins and populations are able to rebound quickly," CMS executive secretary Bradnee Chambers said. "Our hope is that if we can control what is driving these mass mortality events as well as tackle the No.1 threat to saigas - wildlife crime and poaching - populations will be able to recover." "The loss of such a large proportion of the saiga population in such a short time is really sad," said Noah Greenwald, the Center for Biological Diversity's endangered species director. "Unfortunately mass die-offs of wildlife from previously unseen diseases is becoming all too familiar," he said, adding that more than 7 million bats in North America have died of white-nose syndrome in the last decade. |
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