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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, they are found in diverse marine environments, from Arctic to Antarctic regions to tropical seas.
Many organisms in the mesopelagic zone move up into the epipelagic zone at night, and retreat to the mesopelagic zone during the day, which is known as diel vertical migration. [8] These migrators can therefore avoid visual predators during the day and feed at night, while some of their predators also migrate up at night to follow the prey.
Shamu (SeaWorld show) The Shamu show at SeaWorld San Diego in 2009. Shamu was the stage name used for several performing orcas at SeaWorld. Shamu show beginning in 1960s. The original Shamu died in 1971, but the name was trademarked by SeaWorld, and has been given to different orcas over the years. [1]
Northern resident orcas. Northern resident orcas, also known as northern resident killer whales (NRKW), are one of four separate, non-interbreeding communities of the exclusively fish-eating ecotype of orca in the northeast portion of the North Pacific Ocean. They live primarily off the coast of British Columbia (BC), Canada, and also travel to ...
In the end though, orcas can jump too…” Biagini said Eastern Tropical Pacific Killer Whales are “rarely seen” north of San Diego waters and are only seen a few times during the late summer ...
BY PHUONG LE SEATTLE (AP) -- Scientists studying Puget Sound orcas for the past decade now know they are among the most contaminated marine mammals, with pollutants particularly high in young ...
Southern resident orcas. 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.
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