These incredible animals weighed anywhere from 30 to 60 ... Three species have gone extinct in the last 100 years: the Javan ...

The Northern White Rhino is the rarest animal on earth. It stands on the brink of extinction, with only two females remaining at the Ol Pejeta Conservancy in Kenya. The Vaquita is the most endangered ...

Caspian, Javan and Bali tigers are already thought to have gone extinct, and it is highly likely that the South China tiger also no longer exists. It is estimated there are only about 600 Amur ...