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The killer whale (''Orcinus orca''), also … The killer whale (''Orcinus orca''), also called Orca,or blackfish, is a toothed whale belonging to the oceanic dolphin family. Killer whales are found in all oceans, from the frigid Arctic and Antarctic regions to tropical seas. Killer whales as a species have a diverse diet including fish, sea lions, seals, walruses and even large whales. Killer whales are regarded as apex predators, lacking natural predators and preying on even large sharks. Being an apex predator, the killer whale is particularly at risk of poisoning from accumulation of toxins, including polychlorinated biphenyls
Killer whales are highly social; some populations are composed of matrilineal family groups which are the most stable of any animal species. Their sophisticated hunting techniques and vocal behaviors, which are often specific to a particular group and passed across generations, have been described as manifestations of culture.
Although IUCN considers these species as data-deficient, many local populations are endangered/threatened or vulnerable. (Source:Wikipedia)reatened or vulnerable. (Source:Wikipedia) +
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