How Penguins reproduce?

What they do, in the time of heat, the male penguin tries to impress the female penguin by flapping his wings and sticks his chest out. In some penguins, the female penguin goes to the penguin with the most yellow in his chest. But, how i was saying, in some herds of penguins, the penguins that stick they're chest out might often get into fights with they're competition. After the female is impressively seduced, the female penguin lets the male penguin get behind him, the male puts its wings around her, and then they start mating standing up.