I used to believe that those little sparrows that hung out with the pigeons were baby pigeons! Meanwhile, baby pigeons can't fly (they stay in the nest until they spread their wings) which is why we never see them.
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 thought that new disney peter pan song said "spread your legs" but its really "spread your wings"— shasta
- on "highway to hell" i always thought it goes "baby see, baby do" instead of "hey satan, payin´ my dues"— Miss Understood
- That because Gerber Baby Food had a baby on it real babies were put in there. Thanks a lot cousin!— Nicole