Although there is still enough potential saola habitat in Laos and Vietnam to support a larger saola population, the IUCN notes, that would require a significant change in current trends.

Even then, it was already endangered. Today, even the most optimistic estimates say fewer than 100 saola individuals (Pseudoryx nghetinhensis) remain, but it could also be extinct by now.

The saola, an antelope-like bovine, is one of the world’s rarest and most endangered mammals. In fact, it hasn’t been observed in over 10 years. Researchers from the University of Copenhagen ...

Last seen in 2013, the elusive saola or 'Asian unicorn' may be extinct—or still hiding in Vietnam’s forests. New genetic study offers a glimmer of hope.