by Philip Hoare

There are plenty of stories of cetaceans saving humans. Indeed, Jonah was rescued by a whale when he was thrown overboard, and there have been tales of dolphins assisting swimmers in distress or shielding them from circling sharks.

Killer whales, however — themselves a species of dolphin — didn’t get their name for nothing. Early Basque whalers called them whale killers when they saw them attacking other whales. Hunting like a pack of wolves, orca know no fear. They’ll tear the throats from grey whale calves, and have even been known to take chunks out of sperm whales — the largest predators that ever lived.

Full story here with pictures