The Quagga was a southern subspecies of the PlainsZebra.
斑驴是南非草原斑马的一个亚种。
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It also said that the plainszebra has become "near threatened" because of hunting.
该观察组织还表示，因为狩猎的原因，草原斑马变为“近危”。
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By using social network theory to understand how zebras interact, scientists hope to explain why the plainszebra is thriving while the Grevy's zebra is endangered.