Answer:
I have roots nobody sees. I am taller than trees. Up up I go but I never grow.
I am a protector. I sit on a bridge. One person can see right through me while others wonder what I hide.
What do you call a sleeping bull?
I can swim but never get wet. I can run but never get tired. I follow you everywhere but never say a word. What am I?
I moan I groan I chase after you. I never seem to rest. Timeβs up for you.
I am a animal that is cute but dangerous, what am I?