My dad used to tell me that the piles of hay in feilds we drove by were "cow cocoons" and that the cows hatched out of them and then ate them. So I thought for years cows hatched out of those cocoons.
A childhood belief about general

others believed things like this
- I used to think that bales of hay were cow cocoons.— Wally
- When I was little I thought cows married horses, cows were all female and horses were all male. — Sheila
- I used to believe chocolate milk came from brown cows and regular milk came from black and white cowsAnon
- i used to think chocolate milk came from brown cows and normal milk came from white cows Anon
- I used to believe that brown cows made chocolate milk and white cows made regular milk.— andrew mient
- I used to believe that bunny rabbits hatched from eggs, since the Easter Bunny gave you eggs.— goat