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Elephants have hair and females have mammary glands that they use to nurse their young and do live birth, instead of laying eggs like birds and reptiles. Both of these are characteristics of mammals.

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12y ago
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13y ago

Mammals give birth to live young, as do hippos

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11y ago

because when a hippo has a baby the baby does not hatch from an egg.

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Q: How do you know hippos are mammals?
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Related questions

Are baby hippos mammals?

Hippos are mammals. They have hair and give birth to live young and feed the young with milk.


How do hippos have babies?

Hippos are mammals and give birth to live babies.


Are Hippos reptiles?

No they are not they are herbivorous mammals


Are house hippos mammals?

yes


Can hippos fly?

Hippos cannot fly, they are mammals and mammals can't fly, however their is an exception of the bat being a flying mammal.


Do hippopotomuses lay eggs?

No, hippos are mammals.


Is a hipo a mammal?

Yes, hippos are mammals.


How many legs has an elephant have?

Hippos have four limbs.


What are hippos?

They're mammals. It's short for hippopotamus.


Are hippos born alive?

yes they r mammals


Were hippos born alive or hatched?

Hippos are born alive, like nearly all mammals. There are only two mammals on Earth that lay eggs. They are the platypus and spiny anteaters.


Do hippos lay its eggs in the same location?

Hippos don't lay eggs, they're mammals. They give live birth to baby hippos called calves.