For a long time it was thought that the ancient rhino species Elasmotherium sibiricum, known as the Siberian unicorn, went extinct between 200,000 and 100,000 years ago.
For a long time it was thought that the ancient rhino species Elasmotherium sibiricum, known as the Siberian unicorn, went extinct between 200,000 and 100,000 years ago.