Answer:
My first is in window but not in pane. My second's in road but not in lane. My third is in oval but not in round. My fourth is in hearing but not in sound. My whole is known as a sign of peace. And from Noah's ark won quick release.
What has armor but is not a knight, snaps but is not a twig, and is always at home even on the move?
What bird is always unhappy?
What can provide food before it is alive, while it is alive and after it's dead?
It's small but larger than a bee, And agile as a flea. It humms but does not buzz, And it's not covered with fuzz. It is a small collector, Of juicy flower nectar.
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?