I never looked too closely at birds. I used to assume that when they landed, their wings disappeared, even though they really just fold up onto the body. I assumed that they grew back when the bird took off.
A childhood belief about birds

others believed things like this
- I thought birds grew from bird seed. — Jen
- I thought buffalo wings were wings from a buffalo, for years I looked for their wingsAnon
- i used to believe if a cat ate a bird the cat would eventually GROW WINGS!— nightmare
- When I was a child I used to belive that if I put on cardboard wings I could fly like a bird.Anon
- Trees grew leaves as camouflage so birds would`nd nest in them. Don`t ask.— DaWind
- I used to believe that if you ate enough chicken wings, you'd sprout wings and be able to fly.Anon