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What animal can close its ears and nostrils?

What animal can close its ears and nostrils?

When a hippo sinks completely underwater, its nose and ears automatically close so that no water seeps in. Hippos are excellent swimmers and can hold their breath for about five minutes. They can even walk along the bottoms of rivers and lakes.

  1. What animals can close their nostrils?
  2. Can moose close their nostrils?
  3. Which animals nostrils are protected by folds of skin?
  4. How do hippos close their nose?
  5. Do snakes have noses?
  6. What animal has the largest nostrils?
  7. What is moose calf?
  8. What is a moose tail?
  9. Why do moose have humps on their backs?
  10. Can camels close their nostrils?
  11. What animal does not have a nose?
  12. Are hippos bulletproof?
  13. Can hippos close their ears?

What animals can close their nostrils?

One of their most striking findings was that the nose has a mechanism for keeping water out when the moose wades into a pond and plunges underwater to pluck aquatic plants to eat. “Moose, as it turns out, have a mechanism to close their nostrils,” Witmer said.

Can moose close their nostrils?

That's right, the moose feeds on plants that grow on the bottom of lakes, and they will actually dive to reach them. The heavy muzzle acts like a water valve, and closes the nostrils automatically. The seal of the nostrils actually tightens with more water pressure, so moose can dive, chew, and swallow underwater!

Which animals nostrils are protected by folds of skin?

Platypuses in the Water

Folds of skin cover their eyes and ears to prevent water from entering, and the nostrils close with a watertight seal. In this posture, a platypus can remain submerged for a minute or two and employ its sensitive bill to find food. These Australian mammals are bottom feeders.

How do hippos close their nose?

A clear membrane covers and protects their eyes while allowing them to see underwater. Their nostrils close to keep water out, and they can hold their breath for several minutes. Staying underwater helps the hippopotamus not feel the weight of its hulking frame.

Do snakes have noses?

Instead of nostrils, snakes smell with a special organ, called the Jacobson's organ, on the roof of their mouths. Snakes use their tongues to grab chemicals (which smells are made of) from the environment.

What animal has the largest nostrils?

Proboscis monkeys (Nasalis larvatus), found only on the island of Borneo, have pendulous noses reaching up to 17.5 cm (6.8 in) long in elderly male specimens.

What is moose calf?

All baby moose (commonly referred to as calves) are born in the spring of the year. The cows (mother moose) become pregnant in the fall, usually late September or early October. The word moose comes from the Algonquin Eastern Abenaki name moz, which loosely means "twig eater."

What is a moose tail?

Moose, which is a species of the deer family, have short and stubby tails that measures anywhere between 2.5 to 3.5 inches in length.

Why do moose have humps on their backs?

The hump on a moose's back is caused by massive shoulder muscles. The flap of skin that hangs below a moose's chin is called a bell, according to National Geographic. A moose's wide hooves act like built-in snowshoes, helping the moose walk in the snow.

Can camels close their nostrils?

Domesticated dromedary camels are found throughout desert areas in North Africa and the Middle East. ... And camels can close their nostrils to keep sand out of their nose, too!

What animal does not have a nose?

But octopuses, butterflies, and other animals don't have noses like ours. Instead, they've evolved other, sometimes bizarre ways of sensing the world around them. For instance, if you were to look closely at an Oregon shore crab (Hemigrapsus oregonensis), you wouldn't see anything resembling a nose.

Are hippos bulletproof?

Resting in the water helps keep the temperature of the hippopotamus low. A hippo skin is bulletproof. But it can be removed with a zipper located underneath the animal's torso.

Can hippos close their ears?

Staying submerged helps a hippo stay cool in the hot, tropical climate where it lives. ... That way a hippo can breathe, see, and hear even while its body is submerged. When a hippo sinks completely underwater, its nose and ears automatically close so that no water seeps in.

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