Answer:
What can honk without a horn?
When it was young, it had a tail. When it grew up, it had knees
I am a bird but I cannot fly. I'm the fastest runner of all birds. What am I?
What is green, has four legs, no tail, and usually heard at night?
I have a powerful bite and live in rivers and swamps. People are often afraid of my big jaws. What am I?
A man goes out in heavy rain with nothing to protect him from it. His hair doesn't get wet. How does he do that?