This is how my 6 yr old thinks:

She comes into the kitchen and this is how our conversation goes:

Daughter: Mom, What does a bird in the hand is better than 3 in the bush mean?

Me: Well, it means that possessing one actual item is better than the idea of possessing three. (trying to explain it as simply as possible)

Daughter: Where does that saying come from?

Me: I suppose maybe from hunters who hunt for birds. They probably came up with the saying, because letting go of one bird that you had already caught would be silly since you aren't guaranteed to catch any one of the birds in the bush.

Daughter:WEll, if you ask me, the moral of THAT story is to take a birdcage with you when you go hunting!!!!

She cracks me up!!!!!!