Orcas are known to be smart and ruthless hunters. They've been observed hunting a variety of prey, with some species, such as whales, larger than themselves. They use a wide range of strategies to hunt and kill prey, but now, in the Gulf of California, researchers have observed one that hasn't been described before.
Killer whales truly are the homo sapiens of the sea. They are intelligent, co-operate creatures with an insatiable apetite for cruelty.