I used to think peacocks were girls and peahens were boys because with humans the girls tend to be prettier than the boys, so why would it be any different with peacocks and peahens?
A childhood belief about birds

others believed things like this
- I thought that the difference between girls and boys was that girls have teeth.
Anon - I used to believe that little boys grew up to be girls and little girls grew up to be boys. — Darin
- when I was a kid, I used to believe that only girls could be my friends and all other boys were my brothers.
— rajat - I used to believe that tigers were girls and lions were boys— Ruth
- I used to believe that all cats were girls and all dogs were boys.— jordan
- I used to think that all cats were girls and all dogs were boys. — trav