Department of Aviation
That night in a drain there was a rat mother and a mouse child. They were chatting on the edge of the gutter.
The rat boy saw a bat flying over it and then asked the rat mother.
"What's that mother upstairs?" Asked the rat boy.
The mother replied, "Ooooww, That's her name bats"
The mouse boy asked again, "How does he look like us?"
The mother replied, "Actually the bat is still our countryman, but he took the flight majors!"