how many types of killer whales are there?
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There are three main types of killer whales in the North Pacific: Resident, Transient, and Offshore. Each ecotype differs in appearance, diet, habitat, genetics, and behavior. While all three types share at least part of their habitats, they are not known to interbreed with each other.
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Like their orca cousins, false killer whales are actually dolphins and we now know they gather together in great numbers off the coast of New Zealand with groups of bottlenose dolphins. ... Marine biologist Jochen Zaeschmar has studied false killer whales for 17 years.
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Dolphins and whales are closely related. Orcas were given the name 'killer whale' by ancient sailors' observations of groups of orcas hunting and preying on larger whale species. They called orcas asesina ballenas, or 'whale killer' – a term that was eventually flipped around to the easier 'killer whale'.
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Size. There are three species and close to 40 subspecies of wolf, according to the Integrated Taxonomic Information System (ITIS), so they come in many different sizes. The most common type of wolf is the gray wolf, or timber wolf.
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Broad habitat areas and long migrations make it difficult to estimate population size. Of the 14 distinct populations, 12 are estimated to number more than 2,000 humpback whales each and two are estimated to number fewer than 2,000.
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Killer whales are apex predators, which means they have no natural predators. They hunt in packs, much like wolves, which are also at the top of their food chain. ... The orca won.
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Class: Mammalia Extant mammals are divided into three subclasses based on reproductive techniques (monotremes, marsupials, and placentals) consisting of 27 orders.
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The Great Barrier Reef is home to more than 1,500 species of fish, 411 types of hard coral, one-third of the world's soft corals, 134 species of sharks and rays, six of the world's seven species of threatened marine turtles, and more than 30 species of marine mammals, including the vulnerable dugong.
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Whales and porpoises are also mammals. There are 75 species of dolphins, whales, and porpoises living in the ocean. They are the only mammals, other than manatees, that spend their entire lives in the water.
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Though called killer whales, orcas are not whales. They are the largest dolphin species. In Argentina, orcas hurl themselves onshore to grab sea lion pups. In the Antarctic, pod members cooperate to make large waves that wash seals from ice floes.
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The top speed recorded for a killer whale was 30 knots or 34.5 mph the fastest bottlenose dolphin was recorded at 18 knots or 21 mph. Killer whales are bigger, and more muscular, but they are also quite slender for their size this allows them to hit a higher top speed.
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Killer whales are apex predators, as no animal preys on them. A cosmopolitan species, they can be found in each of the world's oceans in a variety of marine environments, from Arctic and Antarctic regions to tropical seas, absent only from the Baltic and Black seas, and some areas of the Arctic Ocean.
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MEDITERRANEAN SEA The killer whale, Orcinus orca (Linnaeus 1758), one of the most widespread cetacean species, can be found virtually in all oceans and seas and at all latitudes, from polar waters to the equator (Leatherwood and Dahlheim 1978). The Mediterranean Sea is no exception.
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Answer and Explanation: Killer whales are not the keystone species in the Pacific Ocean. Killer whales are a top predator and do play an important role in regulating prey,...
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Almost half of the 80 species of cetaceans (whales, dolphins and porpoises), can be found in the Pacific Ocean5.
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Distribution. Depending on the ecotype, killer whales may exploit a variety of habitats, from shallow coastal areas to deep waters off the continental shelf. Killer whales are found in the open ocean, but they seem to be most abundant in coastal waters.
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Judging from the very small number of reports, not very often. TL:DR - Only once, even if you count wild orcas. Less than ten if you add in captive orcas. I could only find one confirmed report of a dolphin nicknamed Tião, in Rio who killed one and attacked another.