I hope a riddle is part of humour.
 

Okay, here's the riddle.

Among all mice, which particular mouse walks on two legs?
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okay, u got it. Its mickey mouse.

How bout this, among all ducks, which particular duck walk on two legs?
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jeez, i really hope this is funny....all ducks walk on two legs. :)

I think I just went cross-eyed...