Then the whales split into two groups.
They follow the whale until they reach the , but when Paul starts to get into a lifeboat, the orca knocks Paul out of the boat and drowns him.
However, orcas are merely seasonal visitors to Arctic waters, and do not approach the pack ice in the summer.
Orca is down 2.
In addition, separate populations of "generalist" fish- and mammal-eating and "specialist" mammal-eating orcas have been identified off northwestern Europe.
Canadian Science Advisory Secretariat, Ottawa, Canada.