A similar video can be seen here of a hippo killing an impala that ran into the water. This was also taken a time of drought, which caused many hippos to become extremely aggressive.

It is also disconcerting to see that the rhino is without its horn - which might have been the difference between life and death in this instance.

The location of the incident has not been disclosed.

SEE: Minister of Environmental Affairs welcomes arrest of rhino horn traffickers

"As the hippo pushed the rhino into the water, a feeling of adrenaline took over, next was complete and utter shock mixed with disbelief," explains the ranger.

"Never in a million years did I expect to see anything like this in my life...