Answer:
I am grew up outside society, I am wild, my voice echoes throughout the jungle and nature is my playground. Who am I?
It breathes fire in fairy-tales
What speeds on a track but isn't in a race and has a whistle to announce its steady pace?
What never ends but you always have it
A metal snake that runs on tracks.
Both old people and owls are said to be possessing this trait
Kids
Animal
Difficult
Easy
Food
Funny
Logic
What am I?