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Mammal Facts

Updated on May 15, 2012

Here are some interesting facts about mammals.

Facts about Mammals

Mammals in general are the warm-blooded, hairy and air-breathing animals.

They all produce milk.

A female Pacific Grey Whale gestates and delivers a 2000 pound baby, migrates over 10,000 miles, and produces 6 tons of breast-milk without eating a single bite of food -- using just her blubber for fuel.

Almost all the mammals live on land. Bats are the only mammals that can fly. Dolphins and whales are the aquatic mammals.

With a couple of exceptions, mammals give birth to live young. Platypus and Echidna are the two mammals that lay eggs.

Elephants have huge feet and can weigh more than five tons. But their feet are big, soft and spongy that spread their weight out so well they barely even leave footprints.

Eucalyptus is used to make cough drops; now because koala bears eat so much eucalyptus, they smell like cough drops. This smell helps them keep fleas away.

Giraffes protect themselves by being big, so their goal is to grow as large as they can, as fast as they can.

Did you know shrews have so little body fat they cannot go more than a couple of hours without food? Missing a meal is a sure way to a quick death. A good night's sleep could be fatal.

Hooded Seals have the shortest childhood of all the mammal. They go from infancy to childhood to adolescence to adulthood in just four days.

Bumblebee Bat is the smallest mammal . They are 30-40 millimeters in size (1.2-1.6 inches).

Pandas are considered living fossils.

Do you know why bats hang upside-down? They hang upside-down because they can't stand right-side up. Their leg bones are too thin to hold up their bodies.

A polar bear looks white, but he isn't really white. His long, shaggy hairs are colorless and hollow. Beneath his hair, the skin is black.

Hippopotamuses give birth and breastfeed under water - despite the fact almost all their predators live in the water.

Bats live 20-30 years, which is remarkably long for such a small animal.

All mammals possess a unique area of the brain that no other animals have- a neocortex.

Greyhounds are the fastest dogs on earth, with speeds of up to 45 miles per hour.

Despite the size of ears the elephant’s hearing is poor

One of the softest parts of their body is at the back of the ears, which is called the knuckle.

The largest of all land mammals is the elephant.

Elephants normally walk about 4 mph.

Otters are believed to have been on Earth for as long as 30 million years or more.

There are thirteen species of otter alive today. There used to be fourteen but Maxwell's otter is presumed to be extinct.

Otters are quite intelligent. In fact, they are one of few tool using mammals.

Did you know otters have webbed feet with five toes?

Elephants have tough skin that is 1” thick in some places, but their skin is so sensitive that they can feel a fly when it lands on them.

A kangaroo carries its baby in its pouch. The baby is born really tiny and crawls into its mother's pouch.

A kangaroo's baby sometimes jumps into its mother's pouch head first when frightened.

Kangaroos need very little water to survive and are capable of going for months without drinking at all.

African elephants ears are used to aid ventilation.

The kangaroo's young one lives in its mother's pouch till its quite large. Even when its quite large it still drinks milk from a teat in its mother's pouch.

An adult koala eats about 1/2 to 1 kg of leaves each night, but the nutrition they get from these leaves is poor. This leaves them with a little energy, so they spend most of their lives sleeping.

Over 2 million koalas were killed between1908 and 1927.

Koalas also communicate with each other. They do this by making a noise like a snore and then a belch, known as a "bellow"

Elephants can live for up to 70 years.

The koala joey rides in its mothers backward-facing pouch for about 5 to 6 months, and drinks milk.

Wombats feed on coarse grasses, herbs and roots whole night.

Did you know the northern hairy-nosed wombat is one of the world's rarest mammals?

All mammals are able to maintain a constant body temperature, irrespective of the environmental temperature. An average body temperature of mammals ranges from 90-104F.

The northern hairy-nosed wombat is the largest herbivorous burrowing mammal in the whole world.

All mammals breathe air, even the aquatic mammals. Their lungs are large and play an important role in the exchange of oxygen and carbon dioxide.

Interestingly, the northern hairy-nosed wombat has a backwards-opening pouch to reduce soiling of its pouch enclosure that otherwise would occur when it digs its burrow.

Here are some more facts on mammals.


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    • profile image

      nathan 5 years ago

      man love this site so helpful with school thx a lot hub :)

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      purpleness 5 years ago

      that wasn't helpful at all

    • profile image

      5 years ago

      Gr8 site

    • profile image

      Arrielle 5 years ago

      This helped a lot!

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      aisha 6 years ago

      its fantastic

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      6 years ago

      Thanks for the Info i was happy learning this.


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      the wolf 6 years ago


      Now every fact there is

    • profile image

      christofv 6 years ago

      thank you so much for this website it is just what i was looking for, for a science project:)

    • profile image

      lupita 6 years ago

      will i think this is alsome cz this is what we have to do in science and a lot of us don't know about i think dat if ppl need help on science for ex;mammals jt look at this and it will give you all da facts dat you need.

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      jawey 6 years ago

      awsome goo mammels ............right

    • profile image

      angel 6 years ago

      why dont sea mammals have fur

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      lali 6 years ago

      i like web because i get my info i need for school

    • profile image

      Fish 6 years ago

      You need cat facts

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      pie 6 years ago

      This website helped me with facts for school project. but could u maybe put up more facts of what they all actually have in common. enjoyed reading but a bit boring towards the end. AND FOR CRYING OUTLOUD PUT SOME STUFF ON ABOUT BEARSSSSSSS!!!!!! please... thanx ~(:>)=

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      Jane 6 years ago

      I loved the facts, but you need some about lions, tigers, snd bears, especially bears!!!!!!!!!!!!!! :)

    • profile image

      Elizabeth 6 years ago

      I am writing a paragraph for a class and these facts helped me so much! Thanks so muuch!!!!!!!!!!!

    • profile image

      Norman Fling 6 years ago

      Hi hi hi hi hi hi

    • profile image

      mia 6 years ago

      I so think you guys need more photos in your hub .

    • profile image

      mee 6 years ago

      I need bobcat facts for a school project.You should add some.

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      Beau Cunningham 6 years ago


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      Bzinga 7 years ago

      i love the eucalyptus fact!

    • profile image

      yashraj k dhongani 7 years ago


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      me 7 years ago

      thnks that helped with my science project paper

    • profile image

      ur mom 7 years ago

      this is awsme bcuz i am doing a science log and thiz helps a lot thankksss

    • Ultimate Hubber profile image

      Ultimate Hubber 7 years ago

      Thanks English!!!

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      EnglishM 7 years ago

      Very informative, I enjoyed reading. Made a link to this from one of my hubs.

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      later gater 7 years ago

      OOOO interesting facts...

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      vanessa 8 years ago

      that's kool mammals facts

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      Mister Mammal Ear 8 years ago

      Nice list of facts. You might want to add that hippos are the most deadly animal in africa. (Much more deadly than lions, tigers or elephants)


    • Ultimate Hubber profile image

      Ultimate Hubber 8 years ago

      Hey, I already know all this but still thanx for letting me know. I am grateful you commented and glad you liked it.

      I have that fact about greyhounds being the fastest dogs up there. You mean I should add this fact about cheetah too in the facts above?*CoNfUsEd*

    • dohn121 profile image

      dohn121 8 years ago from Hudson Valley, New York

      Great Hub again, UH. One thing I'd like to this:

      Greyhounds are the fastest dogs on earth, with speeds of up to 45 miles per hour.

      Cheetahs are actually the fastest. They can reach speeds of 72 miles an hour (but not for a prolonged period of time).

      Thought I let you know :)