how do i tell if my parakeet is a boy or a girl?

my cats babys are like a week and a few days old when can I tell if her babies are boys or girls??

I have (so I think) a girl molly fish and I want a boy one so they have babies

how can I tell if my canary is a boy or girl??? is it like humans?

Should I get a boy or girl parakeet? If so what should I name the boy or girl?

I can't see it's you know, but it just might be because its too small or it doesnt have any D= because like I was hanging i...

I all was wanted to now if my teddy bear hampster was a boy it would really change a lot is he a girl or boy

I have a male and female parakeet and the girl just laid two eggs! they are pink, I forget if that means that they are fertil...

how can you tell if a parakeet egg is firtl...

Are boys girls or boys? cause I always wonderded!

my mother's friend gave us a yellow napped amazon about a year ago, and lately it has been regurgitating and then eating it a...