Despite the goofy-eyed appearance of the Arabian San Boa, it can be quite deadly. Don't be fooled by this creature's ...

The Arabian Tahr (Arabitragus jayakari) was the first to diverge around 5.5 MYA, followed by the Nilgiri Tahr at 4.5 MYA, and finally, the Himalayan Tahr (Hemitragus jemlahicus) around 3 MYA.