Answer:
They come at night without being called and are lost in the day without being stolen. What are they?
I'm blue at day and black at night. I do contain some creatures born and died. What am I?
I can speak with my hard metal tongue. But I cannot breathe, for I have no lung. What am I?
I never sleep yet sometimes I weep. I can get angry or just be happy. Wherever you go, I will follow. No matter what you do, I will be there. I cannot die. What am I?
I am an insect and the first part of my name is the name of another insect. What am I?
What never gets any wetter no matter how hard it rains?