Answer:
A reaction to being spooked that takes its name from waterfowl
What can bring back the dead. Make us cry, make us laugh, make us young. Born in an instant yet lasts a life time?
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it can neither see nor feel it. What is it?
You can only have it once you have given it.
What is so fragile that saying its name breaks it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?