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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.
The IUCN reported in 2008, "The taxonomy of this genus is clearly in need of review, and it is likely that O. orca will be split into a number of different species or at least subspecies over the next few years." [3] Although large variation in the ecological distinctiveness of different orca groups complicate simple differentiation into types. [4]
The genus Orcinus was published by Leopold Fitzinger in 1860, [4] its type species is the orca named by Linnaeus in 1758 as Delphinus orca.Taxonomic arrangements of delphinids published by workers before and after Fitzinger, such as John Edward Gray as Orca in 1846 and Orca (Gladiator) in 1870, are recognized as synonyms of Orcinus.
An orca was seen balancing a salmon on its head in coastal waters in Washington state. Orcas were previously observed doing the same thing in the 1980s. It’s not clear what the behavior means.
The research vessel Noctiluca of the Northwest Fisheries Science Center in close proximity to an orca. The southern resident orcas, also known as the southern resident killer whales (SRKW), are the smallest of four communities of the exclusively fish-eating ecotype of orca in the northeast Pacific Ocean.
An orca pod in the Pacific Ocean off the coast of Mexico has devised a cunning strategy to hunt and kill whale sharks — the world’s largest fish that can grow up to 18 meters (60 feet) in ...
After the orca had her calf die in 2018, she carried her baby’s body on her back for an unprecedented 17 days and over 1,000 miles, garnering international attention and highlighting the complex ...
After a legal battle, all orca captures in Washington came to an end. While orca captures in BC came to an end a year later in 1977, [26] captures in other areas such as Iceland continued well into the 1980s. Orca behavior and social life in the Salish Sea came to the public eye in the early 1970s with the works of Mike Bigg.