YOU SAID:

there are owls on my pillow

INTO JAPANESE

私の枕にはフクロウがいます

BACK INTO ENGLISH

I have an owl on my pillow

INTO JAPANESE

枕にフクロウがいます

BACK INTO ENGLISH

There is an owl on the pillow

INTO JAPANESE

枕の上にフクロウがいます

BACK INTO ENGLISH

There is an owl on the pillow