All the males I knew were loud and played rough while females were quiter and alot more gentle. Since dogs had rough hair, barked loudly and seemed to be aggresive. All cats had soft smooth fur and they were quiet and gentle. So I thought all dogs were males while all cats were females.
A childhood belief about cats and dogs

you weren't the only one
215 of you believed this
- I used to believe that cats were all female and dogs were all male.— Rachel
- that cats were only girls and dogs were only boys. I definetly didn't get the whole reproducing thing yet.— Jamie
- i used to believe a dog was the male version of a cat.Anon
- I believed that all cats were female and all dogs were male. — Biologically confused
- i thought cats were girls and dogs were boys. Anon
- i used to believe that all cats were female and dogs were male!Anon