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The orca (Orcinus orca), or killer whale, is a toothed whale and the largest member of the oceanic dolphin family. It is the only extant species in the genus Orcinus and is recognizable by its black-and-white patterned body. A cosmopolitan species, it is found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.
Northern resident orcas, also known as northern resident killer whales (NRKW), are one of four separate, non-interbreeding communities of the exclusively fish-eating ecotype of orca in the northeast portion of the North Pacific Ocean.
In recent years Japan has resumed taking North Pacific fin whale and sei whales in their research whaling. The fin whales are highly desired because they yield arguably the best quality of tail meat (onomi). [14] Japanese research vessels refer to the harvested whale meat as incidental byproducts which have resulted from study.
While there are no observations of orcas hunting fin whales, orcas are known to hunt and eat sei whales (Balaenoptera borealis) in waters near Chilean Patagonia. “Sei and fin whales are very ...
Killer whale Orcinus orca: The killer whale is also known as the orca whale because it has been known to attack and eat other whales, and large prey animals such as seals and sea lions. [60] Orcas are scattered among the Continental Shelf from southeast Alaska through the Aleutian Islands.
Attacks on large whales in the region are relatively rare and no incidents of successful predation have occurred, although isolated incidents of transients harassing gray whales and humpback whales, including predation, have been observed outside the Salish Sea. However, interactions do sometimes become spectacular; in October 2022, a rare ...
Orca vs. whale shark. The researchers’ analysis revealed exactly how the killer whales, often hunting as a group, subdue the whale shark. First, the orcas use their bodies to hit a whale shark ...
Type A or Antarctic orcas look like a "typical" orca, a large, black-and-white form with a medium-sized white eye patch, living in open water and feeding mostly on minke whales. [ 2 ] [ 4 ] Type B1 or pack ice orcas are smaller than type A. [ 4 ] It has a large white eye patch.