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Three to five types of orcas may be distinct enough to be considered different races, [1] subspecies, or possibly even species [2] (see Species problem). 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 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.
Orcas also prey on larger species such as sperm whales, grey whales, humpback whales and minke whales. [ 84 ] [ 40 ] On three separate occasions in 2019 orcas were recorded to have killed blue whales off the south coast of Western Australia, including an estimated 18–22-meter (59–72 ft) individual. [ 89 ]
Articles relating to orcas (Orcinus orca, killer whales), toothed whales that are the largest members of the oceanic dolphin family. It is the only extant species in the genus Orcinus . Orcas are recognizable by their black-and-white patterned body.
Orca show at SeaWorld San Diego. Orcas, or killer whales, are large predatory cetaceans that were first captured live and displayed in exhibitions in the 1960s. They soon became popular attractions at public aquariums and aquatic theme parks due to their intelligence, trainability, striking appearance, playfulness in captivity and sheer size. [1]
Scientists witnessed one of the hunters, a male orca known as Starboard, single-handedly kill a 2.5-meter (8.2-foot) juvenile white shark within a two-minute time frame last year.
"Social Organization and Genealogy of Resident Killer Whales (Orcinus orca) in the Coastal Waters of British Columbia and Washington State". Report of the International Whaling Commission (Special Issue 12). Cambridge: 383– 405. ISSN 0255-2760. Colby, Jason M. (2018). Orca: how we came to know and love the ocean's greatest predator.
Approving two proposed killer whale species could transform how they're conserved. It would also turn a new page in one of the strangest chapters in marine mammal history.