When I was a kid I used to believe that sparrows were actually pigeons' children... I was convinced that was true because they are always together and I never saw a baby pigeon or a ''big sparrow''.
A childhood belief about birds

others believed things like this
- I used to believe that sparrows were baby pigeons— greenpolyester
- I thought that sparrows were young pigeons.— Daniel
- I used to believe that clay pigeons were pigeon-shaped clay figures.Anon
- I was convinced that children weren't humans, only adults were, children were a total different race!— Leda
- My father told me that Spam was a mix of sparrow and ham. I believed this for years lol— Tara the Terror
- I used to believe that a pigeon was a type of pigAnon