Orcas have also been know to cooperate with humans https://en.wikipedia.org/wiki/Killer_whales_of_Eden,_New_South_Wales https://en.wikipedia.org/wiki/Killer_wh

Orcas have also been know to cooperate with humans https://en.wikipedia.org/wiki/Killer_whales_of_Eden,_New_South_Wales https://en.wikipedia.org/wiki/Killer_whales_of_Eden,_New_Sou...