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Bryan O
Bryan O asked in Science & MathematicsZoology · 1 decade ago

what mammal that lay eggs?

4 Answers

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  • Handsome
    Lv 6
    1 decade ago
    Favorite Answer

    Monotremes are the mammals that lay eggs...

    1) Platypus

    2) Echidna

    a) Western Long-beaked Echidna

    b) Sir David's Long-beaked Echidna

    c) Eastern Long-beaked Echidna

  • Karen K
    Lv 4
    1 decade ago

    The duck-billed Platypus is the only mammal that lays eggs.

  • Anonymous
    1 decade ago

    Order Monotremata, the only one in subclass Prototheria.

    Source(s): http://www.terrambiente.org/fauna/Mammiferi/index....
  • Scozbo
    Lv 5
    1 decade ago

    They are monotremes - two species of echidna and the platypus.

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