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Apart from the Duck-billed playtpus?

This means females without breasts.

2006-12-27 03:41:17 · 24 answers · asked by Perseus 3 in Science & Mathematics Zoology

24 answers

ooh! that would be the echidna! it's a "monotreme" along with the platypus! they are the only 2 mammals to do this.

btw - echidna is FABULOUS to use in 20 questions, you always win! ;)

2006-12-27 03:44:45 · answer #1 · answered by inapickleoveryou 2 · 2 0

I'm amazed and only slightly amused by the number of people confidently replying that mammals do not lay eggs!

Mammals are named after the mammary gland but it comes out of an earlier mostly extinct group known as the Prototherians - to show that modern mammals are different they are known as Eutherians which means true therians.

The other egg laying mammals are the two species of Echidna and both live in Australia. Though they do not have breasts they are able to secrete milk through their skin for their babies.

2006-12-27 14:32:18 · answer #2 · answered by Anonymous · 2 0

Confirmed. Platypus and Echidna are the only egg laying mammals. There are sub groups of mammals - the true mammals (which do not lay eggs) the Marsupials (which have pouches) and the Monotremes (which lay eggs)
Interestingly, the Echidna lays eggs, then puts its young into a pouch (crazy thing to do with a spiky youngster, but the spines are soft at this stage)

2006-12-27 15:17:31 · answer #3 · answered by Greth 2 · 2 0

The duck-billed platypus and the spiny anteater are mammals that lay eggs

2006-12-27 11:46:05 · answer #4 · answered by purplemo 1 · 3 0

Some mammals lay eggs. Monotremes (monos, single + trema, hole; refers to the cloaca) are mammals that lay eggs instead of giving birth to live young like marsupials (Metatheria) and placental mammals (Eutheria).

2006-12-27 11:45:51 · answer #5 · answered by cherrryberry 4 · 1 0

prototherian - primitive oviparous mammals found only in Australia and Tasmania and New Guinea

echidna, spiny anteater, anteater - burrowing spine-covered monotreme of Australia having a long snout and claws for hunting ants and termites

echidna, spiny anteater, anteater - New Guinea echidnas

2006-12-27 11:47:38 · answer #6 · answered by mcfifi 6 · 1 0

They are called Monotremata. Types of them are Short-beaked Echidna, Long-beaked Echidna, and platypus.

2006-12-27 11:49:43 · answer #7 · answered by mia2 3 · 1 0

spiny anteater, but they actually do produce milk for the young, so technically they have "breasts", they just lay eggs as opposed to live birth

2006-12-27 11:44:41 · answer #8 · answered by mickey g 6 · 1 0

I don't believe that there are any others, but if there are, they'll probably be from the Antipodes.

Oh and a turtle is not a mammal!!!

2006-12-27 11:45:14 · answer #9 · answered by smee_1972 5 · 0 1

I nearly died one day driving along the great ocean road - a huge echidna was crossing and we swerved to avoid it, nearly going over a steep edge. Their spines can puncture the tyres.

2006-12-27 11:45:11 · answer #10 · answered by Anonymous · 2 1

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