Leeches on the trail of the rare saola | Environment

  • 9 years ago
Conservationists in Vietnam have tried in vain to track down the rare, endangered and elusive saola. They can't protect it until they know where it lives. To help in the search, they have enlisted blood-sucking leeches.
Read more: http://www.dw.com/en/top-stories/environment/s-11798

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