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Searching for the Last Unicorn


Finding the horns of a saola - a large ox-like mammal on the Laos-Vietnam border - was one of the great biological discoveries of the 20th century. But no biologist has actually seen the saola in the wild, which has given the animal an almost mythical status. That's why biologist William Robichaud and writer William deBuys call it "the last unicorn."