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An Egg-Laying Mammal--- Platypus

A platypus is a monotreme (单孔目动物）and egg-laying mammal. It's only one of the many Australian oddities（奇异,古怪）.
                                                Click here to listen.  78KB

A platypus lives in Australian  streams. Like 
all the quag（沼地）animals, its life depends on having a clean wetland（沼泽地) environment.
                                                 Click here to listen.  76KB

Both have webbed (有蹼的) feet and a bill (喙)，but the platypus is a mammal, the duck is a bird.
                                                 Click here to listen.  102KB

       A platypus may look cuddly（引人拥抱的，可爱的)，but don't plan on making one a pet. Like all wild animals, it's happiest and healthiest in its only environment --- an Australian pond 
or stream.

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