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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 Southern Ocean around Antarctica is home to 10 cetaceans, many of them migratory. There are very few terrestrial invertebrates on the mainland, although the species that do live there have high population densities. High densities of invertebrates also live in the ocean, with Antarctic krill forming dense and widespread swarms during the ...
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.
Orcas, also known as killer whales, live in groups called pods, which can be made up of three to 20 whales, the park said. Typically, orcas don’t stray from the pods they’re born in, according ...
Marine mammals in the Ross Sea include the Antarctic minke whale, killer whale, Weddell seal, crabeater seal, and leopard seal. Antarctic toothfish, Antarctic silverfish, Antarctic krill, and crystal krill also swim in the cold Antarctic water of the Ross Sea. [44] A distinct ecotype of Orca called Type C can be found in the Ross Sea. [45]
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Antarctic whales are any whales which are known to reside near Antarctica for at least part of the year. This includes: Arnoux's beaked whale; Blue whale; Dwarf sperm whale; Fin whale; Gray's beaked whale; Humpback whale; Minke whale; Antarctic minke whale; Pygmy right whale; Pygmy sperm whale; Sei whale; Southern bottlenose whale
Orcas live in three different ecotypes, or classifications. Resident orcas stay close to the shore and feed primarily on salmon along the west coast of Canada and into the Pacific Northwest of the ...