how many types of whales are there in antarctica?
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Four species of toothed whales are found in Antarctica — the sperm whale, the southern bottlenose whale, the orca (killer) whale and the southern fourtooth whale. Except for the sperm whale, these whales are much smaller than the baleen whales and weren't widely hunted.
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No captive-born orca yet has. There are currently 59 orcas in captivity at sea parks and aquariums throughout the world. Some are wild-caught; some were born in captivity.
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The largest whale (and largest mammal, as well as the largest animal known ever to have existed) is the blue whale, a baleen whale (Mysticeti). The longest confirmed specimen was 33.58 m (110.17 ft) in length and the heaviest was 190 tonnes.
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First, we don't even know how many types of animals there are in the world, let alone how many individual animals there are. Scientists have recently estimated that there are approximately 8.7 million species on Earth. They believe that 1-2 million of those species are animals.
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The whales are back, and lucky spectators have been catching glimpses of the majestic creatures in waters off Maui over the past few weeks. ... The Pacific Whale Foundation estimates that at least 12,000 humpback whales are believed to migrate to Hawaiʻi each winter, with their rate increasing at 7% per year.
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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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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. Killer whales in Alaska.
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There are just 73 Southern Resident killer whales left in the wild as of August 2019. Three more orcas were declared dead by the Center for Whale Research on August 6. The orca population has dwindled in recent years based on several factors: boat noise, reduced food supply, and contaminants in the water.
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There are 14 species of baleen whale including the blue, bowhead, right, humpback, minke and grey whale. ... These bristly baleen plates filter, sift, sieve or trap the whales' favourite prey from seawater inside their mouths.
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Six different species of seal live in Antarctic waters: Ross, Weddell, crabeater, leopard, fur and elephant seals. ... The other two species — Antarctic and sub-Antarctic fur seals, and southern elephant seals — are both found north of the pack-ice zone and breed in dense colonies on beaches.
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There are 26 mammal species native to Greenland, of which none are critically endangered, three are endangered, three are vulnerable, two are near threatened and four are data deficient. Only seven of these species are fully terrestrial. Introduced species (e.g., the house mouse and brown rat) are not included.
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Considered to be the most famous humpback whale in the world, Migaloo may be the only pure white adult humpback whale alive today. This remarkable whale was first spotted in 1991 off Byron Bay, Queensland by a group of volunteers conducting a whale count.
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The northern resident killer whale population currently number around 300 individuals, whereas the southern resident population numbers at approximately 75.
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Currently, SeaWorld houses 20 killer whales in its three parks. Ten killer whales live at SeaWorld San Diego: Corky, Ulises, Orkid, Nakai, Ikaika, Kalia, Keet, Shouka, Makani and Amaya.
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Only two volcanoes in Antarctica are active. There is Mount Erebus, which is roughly due south of New Zealand, and Deception Island, which lies about 850km south east of Cape Horn. Mt Erebus has been erupting continuously over the last few decades.
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Australia probably has between 200,000 and 300,000 species, about 100,000 of which have been described. There are some 250 species of native mammals, 550 species of land and aquatic birds, 680 species of reptiles, 190 species of frogs, and more than 2,000 species of marine and freshwater fish.
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Antarctica, including the subantarctic islands, has no natural fully terrestrial mammals, reptiles, or amphibians. Human activity has however led to the introduction in some areas of foreign species, such as rats, mice, chickens, rabbits, cats, pigs, sheep, cattle, reindeer, and various fish.