Bird fortune-telling card

Is it accurate to draw cards with budgerigar in the street? I didn't say my birthday. Why can birds calculate my birthday and my fortune?

There are other ways for fortune tellers to know that your birthday is for parrots to draw cards.

It's like counting your last name.

Take a book full of words.

Find out your last name. If you find it there, just put it aside, take out a book to find your last name, and then you can know your last name by pointing.