Answer:
I fly through the air on small feathered wings, seeking out life and destroying all things.
With pointed fangs it sits in wait. With piercing force it doles out fate, over bloodless victims proclaiming its might. Eternally joining in a single bite.
Grows from the ground, bushes and grass, leaves of yellow, red and brow, unruly plants, get the axe, trim the hedge back down.
People are hired to get rid of me. I'm often hiding under your bed. In time I'll always return you see. Bite me and you're surely dead.
What can be measured but not seen?
What is full of holes but still holds water?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?