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Platypuses (and echidnas) are members of a quite different order of mammals known as monotremes. They are egg-laying mammals, but still classified as mammals since they nurture their young with mothers' milk. They also share other characteristics with mammals, such as being warm-blooded, having fur, skin or hair, and breathing via lungs rather than gills

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13y ago
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12y ago

Platypuses are still classified as mammals because they feed their young on mothers' milk - a characteristic unique to mammals alone.

Other characteristics which platypuses share with other mammals are the fact that they are warm-blooded vertebrates which breathe air via lungs, not gills. Also, they have fur; all mammals have skin, fur or hair. They also have a four-chambered heart.

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11y ago

Platypuses (and echidnas) are members of a quite different order of mammals known as monotremes. They are egg-laying mammals, but still classified as mammals since they nurture their young with mothers' milk. They also share other characteristics with mammals, such as being warm-blooded, having fur, skin or hair, and breathing via lungs rather than gills.

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8y ago

Because the platypus is unique. Though the platypus lays eggs, as a mammal, it suckles its young. When the Australian continent separated and drifted away, many animals became isolated on that continent, and developed in different ways. Australia is the home of several species of marsupials (pouched animals) for instance.

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12y ago

This is simply the means by which a platypus (and the echidna) reproduce. They are monotremes, or egg-laying mammals. They are still classified as mammals because they feed their young on mothers' milk - a characteristic unique to mammals.

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Q: Why is a platypus a mammal when it lays eggs?
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Sea turtle an mammal?

No because it lays eggs. The only mammal that lays eggs is the platypus. It is a reptile.


Which mammal behave eggs lays?

Platypus


Who is a mammal who also lays eggs?

The platypus.


Is a platypus a type of bird?

No. A platypus is a semi-aquatic mammal that lays eggs.


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A platypus.


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Platypus


Is a platypus a cartilaginous fish?

No, a platypus is a mammal that lays eggs. It's a Monotreme. A platypus and the echidna are the only mammals in the world that lay eggs.


What species does a duck billed platypuss belong to?

The platypus is a mammal that lays eggs.


Are duck billed platypuses amphibians?

A platypus is an Australian mammal that lays eggs.


What venomous mammal is a egg laying marsupial?

You're thinking of the platypus, which lays eggs and can eject venom. But the platypus isn't a marsupial. No marsupial lays eggs or is venomous. The platypus is part of a small group called the Monotremes.


What is your favorite choose tapir or capybara or platypus or cobra?

I would have to say, a platypus because it is a mammal and yet, it lays eggs.


What mammal lays eggs and have dry scales?

No mammal lays eggs and has dry scales. The only mammals which lay eggs are monotremes, which include the platypus and the echidna, both of which have fur (while the echidna also has spines).