Killer whales seem to follow rules that go beyond basic instinct and border on culture. Individual pods forage, communicate and navigate differently, much the way different cultures of people do.

The behavior could be the first-ever documented accounts of wild predators offering their food to people. In a nutshell Wild killer whales have been documented offering food to humans 34 times ...

Toronto, Ontario (CTV Network) — A group of orcas that inhabit Canadian waters are known to harass and kill porpoises without eating them. Known as the southern resident killer whales, the ...

A group of offshore orcas, a seldom-seen sub-species of killer whale, was caught on video feasting on a shark. The footage provides additional evidence that these orcas are predators of sharks.

For decades, fish-eating killer whales in the Pacific Northwest have been observed harassing and even killing porpoises without consuming them —- a perplexing behavior that has long intrigued ...

"If killer whales wanted to start attacking people, disabling small vessels is a very strange way of going about that," said Tom Mustill.

Furthermore, killer whales often live in communities with their own rituals, which get passed down from one generation to the next through social learning.

Scientists observed an orca whale killing a great white shark by itself and believe it may be one of the first recorded solo killer whale attacks on a great white shark.

The coastal and outer-coast whales were previously believed to belong to the same population of Bigg's killer whales — mammal-eating transients that have been known to prey on smaller mammals ...