Answer:
I always run but never walk, I sometimes sing but cannot talk, No head on which a hat to place, You always look me in the face.
Voiceless it cries, Wingless flutters, Toothless bites, Mouthless mutters. What is it?
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
I'm the source of all emotion, but I'm caged in a white prison.
What has a bottom right at the top?
A doctor might remove one from the neck of a Dracula victim.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?