Answer:
I am a bird but I cannot fly. I'm the fastest runner of all birds. What am I?
I have a very long neck and eat leaves from tall trees. What am I?
What goes in the water black and comes out red?
Microparasite expert at sucking the blood of mammals and birds
Edible beach crawler served at seafood restaurants, similar to a lobster, but quite different.
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it, can't see it. What is it?