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): ...

Recently, people have spotted killer whales engaging in some unique behavior. They are rubbing their bellies along the rocks ...

The species Orcinus orca, generally known as orcas or killer whales, is made up of many genetically distinct populations called ecotypes. Each ecotype indicates an ecological specialization with its ...

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.

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 ...

We could all use a buddy to help us track down dinner from time to time. Sarah Fortune, a marine ecologist at Dalhousie University in Nova Scotia, and her colleagues used drones and camera-equipped ...

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

(Franco Banfi / Oceans-Image / Photoshot) Lions, orcas, hyenas, some hawks and a few other species hunt collaboratively, and now researchers have added a fish to that list. Yellow saddle goatfish in ...

Killer whales or orca (Orcinus orca) have been observed hunting with Pacific white-sided dolphins (Lagenorhynchus obliquidens) in the waters off British Columbia, Canada, and sharing fish scraps with ...

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 ...