It looks like a playful display of animal gymnastics as a dolphin dives inches away from a killer whale. In fact, it is leaping for its life. Killer whales, or orcas, are themselves members of the dolphin family and it had been thought that they avoided attacking their cousins.

But wildlife expert Rainer Schimpf found the opposite when he took these pictures off Algoa Bay, near Port Elizabeth in South Africa.

Click here to link to the story and the pictures of this encounter.