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    • Tasmanian Tiger. The Tasmanian tiger, also known as the thylacine, was a type of marsupial that once lived in Australia, Tasmania, and Papua New Guinea.
    • Quagga. Quaggas were a subspecies of the Burchell’s zebra. The two species have many similarities, except for the striping pattern. The quagga once lived throughout the southern portion of Africa in grassland habitats.
    • Baiji. The baiji, also called the Chinese river dolphin, once lived exclusively in the Yangtze River in China. It lived in the river for millions of years until the Yangtze River became a high-traffic area that created an uninhabitable environment for these river dolphins.
    • Woolly Mammoth. One of the best-known ice age animals, the woolly mammoth, has long been extinct. There are a few theories as to why woolly mammoths went extinct, but they’re still largely debated.
  1. This page features lists of species and organisms that have become extinct. The reasons for extinction range from natural occurrences, such as shifts in the Earth's ecosystem or natural disasters, to human influences on nature by the overuse of natural resources, hunting and destruction of natural habitats.

  2. Feb 5, 2019 · Extinction happens when environmental factors or evolutionary problems cause a species to die out. The disappearance of species from Earth is ongoing, and rates have varied over time.

    • Pinta Giant Tortoise. The last known Pinta giant tortoise (Chelonoidis abingdonii) was Lonesome George, an icon of the Galapagos, who died in captivity on June 24, 2012.
    • Splendid Poison Frog. The splendid poison frog (Oophaga speciosa) was declared extinct in 2020 and last recorded in 1992. Researchers believe the chytrid fungus outbreak of 1996 in their home range of the western Cordillera Central in Panama, near Costa Rica, led to their extinction.
    • Spix's Macaw. The Spix's macaw (Cyanopsitta spixii), endemic to Brazil, was last seen in the wild in 2016. It was declared extinct in the wild in 2019, exactly 200 years after it was first described by German naturalist Johann Baptist von Spix who spotted it in the Brazilian interior, but there are currently around 160 of these parrots in captivity.
    • Pyrenean Ibex. The Pyrenean ibex (Capra pyrenaica pyrenaica) is one of two extinct subspecies of the Spanish ibex. It was declared extinct in 2000, although what caused its extinction remains unknown.
  3. Jul 1, 2019 · Learn about the causes and consequences of the extinction of 100 animal species in historical times, from amphibians to reptiles. See photos and facts of the Passenger Pigeon, the Dodo, the Elephant Bird, and more.

    • Bob Strauss
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  4. Jan 9, 2024 · Learn about the conservation status and reasons for extinction of various animals that are extinct in the wild, such as birds, fish, and reptiles. See pictures and facts of these species and their reintroduction attempts.

  5. Learn about eight extinct animals that once lived on Earth, from the dodo to the Baiji river dolphin. Discover how humans and other factors caused their demise and what we can do to protect endangered species today.

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