Answer:
I am a bird but I cannot fly. I'm the fastest runner of all birds. What am I?
I am small but can carry objects many times my weight. I live in organized colonies. What am I?
What grows up while growing down?
What goes zub zub zub
I quack and have webbed feet. What am I?
You use it between your head and your toes, the more it works the thinner it grows.
Animal
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Easy
Food
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Kids
Logic
What am I?