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  1. Longest Gestation Periodの画像

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    760 days
    Among mammals, the current record holder is the Asian elephant (Elephas maximus), with an average gestation period of 650 days (over 21 months) and a maximum of 760 days (over 2 years) – more than two and a half times that of humans.

    Longest gestation period - ギネス世界記録

    www.guinnessworldrecords.jp/world-records/longest-gestation-period/
    www.guinnessworldrecords.jp/world-records/longest-gestation-period/
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  2. 他の人はこちらも質問
    Which shark has the longest gestation period?
    The Frilled Shark has the longest known gestation period of any animal. It is unique among most sharks in that it feeds in very deep waters and serpentines while it moves, swimming in an eel-like manner. Its favorite food seems to be squid, although it won’t hesitate to snag other prey such as fish with its hooked teeth.

    10 Longest Animal Gestation Periods - Largest.org

    largest.org
    Which animal has the longest gestation period?
    Elephants have the longest gestation period of all mammals, carrying their young for 18 to 22 months before giving birth. Long developmental periods are common among highly intelligent wildlife. Since elephants are the largest living and biggest-brained land animals in the world, there's a lot of development for elephants to do in the womb.

    12 Animals With the Longest Gestation Period - Treehugger

    treehugger.com
    Which whale has the longest gestation period?
    The largest of the toothed whale species are sperm whales (Physeter macrocephalus), which weigh a massive one ton at birth. Knowing this, it makes sense why sperm whales have the longest gestation periods of any other ocean animal! Their gestation period is typically between 14 and 16 months, which is upwards of 480 days.

    Discover the Top 12 Animals with the Longest Gestation Periods

    a-z-animals.com
    Which elasmobranch has the longest pregnancy?
    A rival contender for this title is the common frilled shark ( Chlamydoselachus anguineus ), an extremely primitive species of elasmobranch native to all oceans with a gestation of at least 3.5 years. The pregnancy of the alpine salamander is five to six times longer than that of humans.

    Longest gestation period - Guinness World Records

    guinnessworldrecords.com
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  3. Treehugger
    https://www.treehugger.com › animals-…

    12 Animals With the Longest Gestation Period

    ウェブ2024年7月15日 · Learn about the animals that carry their young for the longest, from elephants and manatees to sharks and salamanders. Find out how size, intelligence, and environment affect the length of pregnancy and the challenges of parenting.

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  4. Largest.org
    https://largest.org › animals › animal-ge…

    10 Longest Animal Gestation Periods - Largest.org

    ウェブ2020年2月2日 · Learn about the animals that take the longest to gestate their young, from walruses and sperm whales to elephants and sharks. Find out how long their pregnancies last, how many young they have, …

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      Longest gestation period - ギネス世界記録

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    • AZ Animals
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      Discover the Top 12 Animals with the Longest …

      ウェブ2023年12月5日 · Learn about the longest pregnancies in the animal kingdom, from sea lions to elephants. Discover how long different species take to give birth, how they care for their offspring, and why their gestation lengths vary.

    • Wikipedia
      https://en.wikipedia.org › wiki › List_of_mammalian...

      List of mammalian gestation durations - Wikipedia

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    • Guinness World Records
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      Longest gestation period - Guinness World Records

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    • Wonderopolis
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      Which Animal Has the Longest Gestation Period?

      ウェブLearn which animals have the longest gestation periods, from elephants to sharks to octopuses. Find out how temperature, size and metabolic rate affect the length of pregnancy in different species.

    • Live Science
      https://www.livescience.com

      What Animal Has the Longest Pregnancy? - Live Science

      ウェブ2011年3月2日 · An elephant's gestation period is about 640 to 660 days, or roughly 95 weeks, which is more than twice as long as a human pregnancy. Learn more about elephant reproduction, birth and lifespan from Live Science.

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    • Science | AAAS
      https://www.science.org › content › article › elephant-womb

      The Elephant in the Womb | Science - AAAS

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      Longest Gestation Period
      Elephant Pregnancy Term
      Elephant Gestation Period
    • Nature
      https://www.nature.com › articles

      'Octomom' sets gestation record - Nature

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      Bruce Robison Octomom
      Bathypolypus Arcticus Cold
      Author:Mark Schrope
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