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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.
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.
Offshore orcas, first described in 1979, are primarily found more than 10 miles (16 km) from shore. Just over 280 offshore orcas are known from the Eastern North Pacific, primarily occurring off the coast of British Columbia.
In the modern world, the orca, the blue whale, and the great white shark all have cosmopolitan distribution, extending over most of the Earth's oceans. The wasp Copidosoma floridanum is another example, as it is found around the world.
Corky II, more commonly known as Corky, is a 59-year-old female orca at SeaWorld San Diego. She is the longest-held captive orca in the world, the largest female orca in captivity at 20 feet long and 8,500 pounds, and the oldest orca to ever be displayed to the public. [25] She is now the only survivor from the Northern Resident captures.
Pacific Northwest orca are among the most contaminated marine mammals in the world, due to the high levels of toxic anthropogenic chemicals that accumulate in their tissues. [115] Implicated in the decline of the southern resident orca population, these widespread contaminants pose a large problem for conservation efforts.
When director Gabriela Cowperthwaite set out to make Blackfish more than a decade ago, not even she knew the impact the documentary about the captivity of orcas, mostly at SeaWorld, would have. "I ...
Orcas are recognizable by their black-and-white patterned body. A cosmopolitan species, they are found in diverse marine environments, ...