A Southern Resident killer whale surfacing in Puget Sound with a dead salmon balanced on its head has drawn international ...

Orcas are born with powerful bodies and sharp teeth, but they are not born knowing how to hunt. Here’s why they depend so ...

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 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.

Orcas display a variety of skills, like coordinated hunting and regional ‘dialects.’ They have also revealed several interesting habits, like grooming each other with kelp and offering food to humans.

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 ...

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 ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment. Rachael has a degree in Zoology from 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 ...