A millionaire American trophy hunter has been gored to death by a Cape buffalo he was on a hunting trip in South Africa.

Asher Watkins, 52, was pursuing a 1.3-tonne Cape buffalo bull, nicknamed the Black Death, in the 50,000-acre Bambisana concession on Sunday when the animal charged at him.

A trophy hunter who once boasted of killing thousands of doves in just three days met a violent end in South Africa when a Cape buffalo - known as "Black Death" - fatally gored him during a safari expedition.