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Does only a mammal lay eggs?

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Anonymous

13y ago
Updated: 8/20/2019

Not at all. By definition, mammals have live young, with the exception of the three species of monotremes. These include the platypus and the short-beaked echidna, native to Australia, and the long-beaked echidna, native to New Guinea (there are three sub-species of the long-beaked echidna). These animals lay eggs, but still feed their young on mother's milk.

Eutheria (placental mammals) and marsupials do not lay eggs.

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Wiki User

13y ago

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