What am I?

I have a birthplace but was never born. I have a mouth but can't speak and I run but have no legs. What am I?

A large oasis in the desert. Come with cash and leave with none. What am I?

Though learning has fed me, I know not a letter; I live among the books, Yet am never the better. What am I?

I'm known to hop but I can also fly. In Australia is where you'll find me.

Riddles and Answers