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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.
Killer whales can penetrate further into the Arctic and remain in arctic waters for a longer period of time due to reductions in sea ice. For example, residents in Kotzebue, have reported that killer whales have been sighted more frequently in Kotzebue Sound. As annual ice cover declines, humans may gain access and disrupt beluga whale habitats ...
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.
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.
She shared her tank with common dolphins, pilot whales, and Pacific white-sided dolphins throughout her time at Seaquarium. The refusal to release Lolita, as well as her overall living standards before her passing, have become a symbol for the movement opposing orca captivity for reasons other than medical need.
This is a list of Arctic cetaceans. Cetacea. Narwhals Beluga whales. Balaenidae [1] Bowhead whale (ᐊᕐᕕᖅ, arviq) ... Killer whale (ᐋᕐᓗ, ᐊᕐᓗᒃ ...
Each additional killer whale requires a pool with an additional 10,900 cubic feet (308 m 3) of volume. 9 CFR 3.104 also requires a minimum of 680 square feet (63 m 2) surface area per killer whale in Table IV (the example with a cylindrical tank 48 feet (15 m) in diametre for two whales provides 905 square feet (84.1 m 2) of surface area per ...