I thought ducks couldn't fly - thats why they swam.
A childhood belief about birds

others believed things like this
- i belived that ducks would take over the worldAnon
- I used to believe that i swam more than 2 hours I would become a mermaid.— M11cazares
- I used to believe that dumplings were made from baby ducks. — Sarah
- I thought that toilet paper was bread and by puting it it the toilet i was feeding the ducks at the bottem.— Gringo
- When I was little, I had tiny toes and beleived that ducks mistook them for kernels of corn and eat them.— Seguin
- I believed they put heated coils in lakes for the ducks to swim in the wintertime.Anon