Actually there are technically 3.
The platypus, the short beaked echidna and the long beaked echidna (although I suppose the last two could be grouped together). =0)
they are monotremes
http://education.yahoo.com/reference/encyclopedia/entry?id=32104
2006-06-11 11:10:30
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answer #1
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answered by grim reaper 5
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True mammals don't lay eggs, only live young. A duck-billed platypus is not a mammal!!
2006-06-11 10:58:06
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answer #2
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answered by pniccimiss 4
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The term "Mammal" refers to an animal that nurses it's young and the young are born alive, not hatched. The breasts are called "Mammaries" (Mammary Glands) and the term "Mammal" refers to the use of the "Mammaries" to feed the newborn by suckling them.
2006-06-18 07:22:09
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answer #3
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answered by Anonymous
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one is the platypus
the other is the spiny anteater, also known as the echidna (there are actually two species of this animal)
2006-06-11 16:15:13
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answer #4
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answered by jimbob 6
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Duck-billed platypus and echidna.
2006-06-11 13:30:29
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answer #5
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answered by googoo2626 3
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the echidna and the platypus- however they are in a subsection of their own called monotremes
2006-06-11 14:33:24
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answer #6
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answered by bronwynstanton 3
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Platypus and spiny anteater.
2006-06-13 11:46:56
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answer #7
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answered by R 5
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short-beaked echidna and the playtpus
2006-06-11 16:54:29
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answer #8
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answered by Anonymous
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humans and puppies
2006-06-11 10:57:29
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answer #9
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answered by Mr. Lemons 4
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turtles????
2006-06-11 13:04:15
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answer #10
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answered by aYuHiRi 2
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