I used to believe that crows and ravens were the same species; crows were males and ravens were females. This belief is because Raven is a girls' name and Crow sounds more like a boys' name
A childhood belief about birds

others believed things like this
- when i was 6-7, i used to believe that if i do something bad, the crows will tell it to my parents!!— isabel
- My aunts use to tell me that when I pouted the crows would come and bite my lips. Anon
- I thought that all cats were the females, and that the dogs were the males.— opps guess not
- I use to believe that cats and dogs were the same species; cats were girls and dogs were boys.— poopcrystals
- I used to believe the Beastie Boys were a boy band. Well, the name sounds similar to Backstreet Boys!Anon
- I thought that the difference between girls and boys was that girls have teeth.
Anon