how many vaquita porpoises are left?
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How many Vaquitas are left in the world in 2020? The latest report by the International Committee for the Recovery of the Vaquita (CIRVA) estimates that only between 6 and 22 individuals remained alive in 2018. It is possible, though, that there no more than 10 vaquitas left.
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Finless porpoises need an abundant food supply for survival. The destruction of the Baiji dolphin food supply was central to its extinction. Overfishing is the main factor that contributes to the decrease in finless porpoises' food supply, but pollution and ship movement are factors as well.
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The latest report by the International Committee for the Recovery of the Vaquita (CIRVA) estimates that only between 6 and 22 individuals remained alive in 2018. It is possible, though, that there no more than 10 vaquitas left. (For comparison, in 1997, the population was estimated to be about 600 individuals strong.)
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Today the Australian Koala Foundation announced they believe “there are no more than 80,000 koalas in Australia”, making the species “functionally extinct”. While this number is dramatically lower than the most recent academic estimates, there's no doubt koala numbers in many places are in steep decline.
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It is estimated that there are around 50,000 killer whales globally. Approximately 2,500 killer whales live in the eastern North Pacific Ocean—home to the most well-studied killer whale populations. In recent decades, several populations of killer whales have declined and some have become endangered.
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According to a recent study in Science, 15 animals are known to have vanished forever from the oceans while terrestrial ecosystems have seen 514 extinctions. Steller's sea cow (Hydrodamalis gigas) was literally eaten to extinction by humans.
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There are 76 toothed whale species altogether and they are grouped into ten families: the sperm whale; the dwarf and pygmy sperm whale; the beluga and narwhal; the beaked whales; the oceanic dolphins; the four river dolphins (each one is placed in a family of their own); and the porpoise family.
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Pre-hunting population size may have been as many as 200,000-300,000 whales. They were estimated to number around 2,300 in 1998 and to be increasing between 2.4-8.4% per year.
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There are currently around 65,000 known species of vertebrate animals. This sounds like a lot, but vertebrates are only around 3% of all the animals on Earth. Most of the animal species are invertebrates.
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Today, the range-wide population is estimated to be at least 13,000 manatees, with more than 6,500 in the southeastern United States and Puerto Rico. When aerial surveys began in 1991, there were an estimated 1,267 manatees in Florida.
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Out of the 360 species of coral found in the Great Barrier Reef, 22 types are currently endangered. The severe coral bleaching which has occurred damaged approximately 1,500 km of the reef's coral.
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By the end of the French and Indian War and the acquisition of Florida by Britain in 1763, there were perhaps 125 remaining. This last remnant either migrated with the Spanish colonists to Cuba or were absorbed into the Seminole population. They are now considered an extinct tribe.
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Since the 1500s, 15 ocean animals have vanished from the world's oceans. Many were never photographed. According to environmental news site Mongabay, the 15 extinct species include various marine birds and mammals, sea snails, and the Christmas sandpiper pictured above.
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In 2015, the National Park Service states there are 23 animal species in the Everglades on both lists – federally endangered and threatened. However, there are over 60 on just the threatened list.
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Koalas are in serious decline suffering from the effects of habitat destruction, domestic dog attacks, bushfires and road accidents. The Australian Koala Foundation estimates that there are less than 100,000 Koalas left in the wild, possibly as few as 43,000.
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['Poachers target black rhinos for the their horns, viewed as a status symbol and cure-all in parts of Asia. ... ', "The world's smallest porpoise, the near-extinct vaquita, dies in gill nets intended for the endangered totoaba. ... ", 'Red-fronted macaws, found in Bolivia, are plucked from the wild and sold as pets.']
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THE PLIGHT OF ENDANGERED SPECIES: There are now 41,415 species on the IUCN Red List, and 16,306 of them are endangered species threatened with extinction. This is up from 16,118 last year. This includes both endangered animals and endangered plants.