Answer:
The time between daylight and darkness when blood drinkers like to come out
What kind of tree can you carry in your hand?
I have fangs and enjoy piecing holes with a single bite.
I sit high glowing and watch the world go by. Without me everything would seem dull and dangerous. What am I?
You can catch me but cannot throw me.
I always have to work with something in my eye. What am I?