Answer:
When they are caught, they are thrown away. When they escape, you itch all day.
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.
I can sizzle like bacon, I am made with an egg. I have plenty of backbone, but lack a good leg. I peel layers like onions, but still remain whole. I can be long, like a flagpole, yet fit in a hole.
A house with two occupants, sometimes one, rarely three. Break the walls, eat the boarders, then throw away me.
What comes once in a minute, twice in a moment, but never in a thousand years?
I have two eyes in the front and a lot of eyes on my tail