Nothing they go back to their happy normal selves
He will try to mate with her, stand up on her back & hump her. If she is not fixed she will get pregnant.
Yes, it happens to my aunt's dog and it's perfectly normal.
how do I know if my female dog is in heat?
Nothing happens.
Yes. All female mammals have periods.
because the dog is on heat It isn't fair to the male dog to think of his reaction to a female in heat as "misbehaving." He's just doing what his instincts tell him to do. If you don't want him trying to mount her, keep them separated until her heat is over.
If it is a female it might be having its period.
Considering a period consists mostly of blood, the answer is obviously red.
Dogs do not have a period. How gross would that be right if they did! Lol. But they don't.
Yes with larger dogs there can be a smell.
If the biting happens, the male may be aggressive, or the female has a scent of another dog that he doesn't like. It could also be an indication that the male likes the female.
No, it is not. But your young female may.