I used to think horses were underwater cows. Yes. That is exactly what my sister told me, as an example of evolution.
A childhood belief about general

others believed things like this
- When I was little I thought cows married horses, cows were all female and horses were all male. — Sheila
- I used to believe cows were ugly horses— Marlene
- I used to believe, as a child, that horses were male cows.— Martin Taylor
- I used to believe that milk came from cows, so water came from horses. hahah— Melissa O'Connor
- I used to believe that cats were the girls and dogs were the guys. Same with cows and horses.Anon
- I used to believe that cows mooed out of their ears-because my older sister told me they did.— ella