Offshore Morin, P. A., R. G. Leduc, et al. (2006). "Genetic analysis of killer whale (Orcinus orca) historical bone and tooth samples to identify western U.S. ecotypes." Marine Mammal Science 22 (4): ...

Orcas are fierce, apex predators of the sea; hence their “killer whale” moniker. They’re also smart, which makes them even more of a threat. One of their preferred prey? Another supposed apex predator ...

Orcas have long been revered for their intelligence, adaptability, and group-hunting strategies. But one scientific review spanning two decades has revealed a little-known, yet intriguing behavior.

Footage captures a pair of orcas nibbling each other's tongues in the Kvænangen fjords in northern Norway. Scientists think this rarely seen behavior could play a role in social bonding. When you ...

While well documented in the Northern Hemisphere and Antarctica, much less is known about killer whales (Orcinus orca) in Australia. However, orcas are actually sighted year-round in all coastal ...

Orcas along the Spanish coast are attacking boats once again, leaving destroyed rudders and stranded crews in their wake. A small population of orcas (Orcinus orca), or killer whales, has developed a ...

The turquoise waters off the coast of Oman have long been a magnet for those seeking the gentle ballet of dolphins or the ...

To date, attacks by killer whales (Orcinus orca) upon elephant seals (Mirounga angustirostris) have been conjectured, but never documented. On 28 Dec. 1973, while aboard a 14 ft. skiff from Cape ...