In South Africa, where an antelope called the bluebuck went extinct 200 years ago, three other big mammals have been brought back from the brink.
Ranchers and farmers also killed pronghorn, erroneously believing the antelope would take away forage from sheep or cattle.
The American antelope can run at speeds up to 60mph.
In eastern Africa, they mostly hunt Thomson's gazelles, but they will also attack calves, warthogs, zebras, impalas, and the young of large antelopes such as the gnu.
The lion, sometimes called the King of the jungle, prefers killing antelopes while bushbuck are preferred by leopard.
First described 200 years ago it is also now one Africa's most endangered antelopes despite being one of the most reproductive.
Our fathers used to hunt giraffes, water-bucks and antelopes and eat their meet.