Answer:
I am not very commonly found! Only in some rainforest! I have an odd number of toes! I'm very lazy and hang upside down!
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
I am the same written forward backward and upside down.
A dragon's tooth in a mortal's hand, I kill, I maim, I divide the land.
I mirror your actions.
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?