New footage shows orcas and dolphins coordinating hunts, hinting at interspecies teamwork to track and catch salmon off ...

New research reveals that orcas around the island of Hokkaido can be split into two distinct forms, offering conservationists ...

The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations ...

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 (Orcinus orca) might be even more ferocious predators than we give them credit for. Scientists have discovered orcas that have learned to hunt whale sharks (Rhincodon typus), the largest fish in ...

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.

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 ...

Gray, J. E. (1866). Catalogue of seals and whales in the British Museum. London, British Museum:279, 281 Skull in Mr. Bell's museum. length 19 feet. London Magazine of Natural History, IV:329 ...