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There are two types of egg-laying mammals. The platypusand the echidna are both egg-laying mammals, or monotremes. They are still classified as mammals because they feed their young on mothers' milk - a characteristic unique to mammals alone.

Within these two types of animals, there are just threeknown species of egg-laying mammals, or monotremes. They are the platypus of Australia; the short-beaked echidna(Tachyglossus aculeatus) of Australia and Papua New Guinea; and the long-beaked echidna (Zaglosssus bruijni) of New Guinea. The echidna is sometimes called the spiny anteater, and there are several sub-species of the long-beaked echidna: the Western long-beaked echidna, Sir David's long-beaked echidna and the Eastern long-beaked echidna.

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11y ago

There are two egg-laying mammals. The platypus and the echidna are both egg-laying mammals, or monotremes.They are still classified as mammals because they feed their young on mothers' milk - a characteristic unique to mammals alone.

There are just three known species of egg-laying mammals, or monotremes. They are the platypus and short-beaked echidna (Tachyglossus aculeatus) of Australia, and the long-beaked echidna (Zaglosssus bruijni) of Papua New Guinea. The echidna is sometimes called the spiny anteater, and there are several sub-species of the long-beaked echidna: the Western long-beaked echidna, Sir David's long-beaked echidna and the Eastern long-beaked echidna.

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10y ago

Two mammals lay eggs, Platypus and Echidna.

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10y ago

There are actually two types but three species of mammals which lay eggs (Monotremes). They are the platypus, the short-beaked echidna and the long-beaked echidna.

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Q: What are the only mammals that lay eggs?
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Do white rhinos lay eggs?

No. Rabbits do not lay eggs. They are placental mammals. The only mammals which lay eggs are the monotremes, which include the platypus and the echidna.


Do agouti lay eggs?

No. Agouti are small mammals, and the only mammals which lay eggs are platypuses and echidnas.


Do placental mammals lay eggs?

No. Monotremes are the only mammals which lay eggs. Placental mammals give birth to live young.


Can chipmuncks lay eggs?

*face = palm* no they are mammals ther for no the only mammals that lay eggs are platypuses and echidnas


Do platypusess lay eggs?

Yes, [platypi] and echidnas are the only mammals who lay eggs.


Do warthogs lay eggs?

No. Warthogs are mammals and give birth to live young. The only mammals which lay eggs are platypuses and echidnas.


Do Hedgehog lay eggs?

No. Hedgehogs do not lay eggs. Only two mammals do: the echidna and the platypus.


Do all female mammals lay eggs?

No. Only female platypuses and echidnas lay eggs. They belong to the group of mammals known as monotremes.


Do aardvarks lay eggs?

No. Aardvarks are mammals and give birth to live young. There are only two mammals that lay eggs. The Platypus and the Echidna.


Do Vancouver island marmot have eggs?

No; they are mammals. Mammals do not lay eggs, with the one and only exception of the platypus.


How are monotremes unusual mammals?

They are the only mammals that lay eggs in order to reproduce.


Does mother pigs lay eggs or give birth to their baibies?

Pigs, like all mammals, give birth to live young. They do not lay eggs. (Platypuses are the only mammals that lay eggs.)