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      • Hippos don't float. They also don't swim the way you do. They move around in the water by pushing off the bottom of the river with their feet. If you saw it underwater, it would look like the hippo was walking or running. If they need to, adult hippos can hold their breath for up to five minutes or longer.
      sdzwildlifeexplorers.org/animals/river-hippo
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  2. Apr 26, 2017 · Yet hippos are able to keep their feet in contact with the ground, even when they’re underwater, “by control of the specific gravity of the body and high bone density,” according to a 2009 paper...

  3. In Botswana's Okavango delta, hippos face an unparalleled challenge - deep floodwaters dry to dust in a matter of months. In one extraordinary season, the team go beneath the surface to see...

    • 6 min
    • 588.9K
    • BBC Earth
  4. This is because they are too dense to float at weights of around 2,000 kilograms (4,409 pounds), so instead need to push off of something to keep returning to the surface. ... Hippos sit alongside ...

    • Rachael Funnell
    • What Is A Hippo?
    • Appearance
    • Life in The Water
    • Aggression and Dominance
    • Reproduction
    • Threats to Survival

    Hippopotamuses are large, semiaquatic mammals native to sub-Saharan Africa. Although their name comes from the Greek for “river horse”—because of the time they spend in the water—their closest living relatives are whales, dolphins, and pigs. They can’t swim, breathe underwater, or even float—but they have developed a tactic that lets them nap under...

    Hippos are the world’s third-largest land mammals after elephants and white rhinos. Males can reach lengths of 10.8 to 16.5 feet, and weigh up to 9,920 pounds, while females weigh up to 3,000 pounds. These muscular animals have round torsos and pinkish brown bodies with two-inch-thick, waterproof skin, and short, stout legs. They might not look aer...

    Hippos live in waterways such as rivers, lakes, and mangroves. Their skin may be thick but it is extremely sensitive and can easily burn or dry out in the fierce African sun. So, they spend most of their day in the water or mud to keep cool, wet, and protect their delicate skin. When basking on the shore, they secrete an oily red sweat-like substan...

    These social animals live in groups called herds or pods, which typically include around 40 individuals or as many 200. They are highly territorial, and use dung middens—an area where they repeatedly poop—to mark their territory and communicatewith other hippos. Males will use their tail to flick their dung in all directions as a display of dominan...

    Females reach sexual maturity around the age of 10. Gestation lasts eight months, and they give birth to one calf every two years. Hippos mate and give birth in the water. Weighing nearly a hundred pounds at birth, newborn hippos can hold their breath for 90 seconds. Once mother and calf have bonded, they join schoolsof other hippos for protection ...

    The International Union for Conservation of Nature classifies hippos as vulnerable to extinction. Although the hippopotamus doesn’t have many predators, it is threatened by poaching for its meat, fat, and ivory teeth. Other threats include the loss of its habitat and human-hippo conflicts. Because the species is slow to reproduce, threats can signi...

    • 2 min
  5. Oct 12, 2021 · Hippos neither swim nor float. Instead, they bob up and down in the water. The bouncing water technique up and down allows them to walk underwater using their weight and push up for air using strong leg muscles.

  6. Jul 22, 2009 · Hippos don't swim, but use their front feet to "punt" along the bottom of a riverbed, putting their weight to good advantage.

  7. Hippos can even sleep underwater, using a reflex that allows them to bob up, take a breath, and sink back down without waking up. Yet despite all these adaptations for life in the water, hippos can't swim—they can't even float!

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