During copulation, the male mounts the female from behind. Both sexes hold their tails to the side and turn back the feathers around the cloaca (the common opening of the bird's alimentary canal and excretory and reproductive systems), so that the swollen lips of the male's and female's cloacae can come into contact.

How does copulation take place in humans?

Sexual intercourse or copulation results in the deposition of sperms in the vagina at the level of the cervix is known as coitus. In order for coitus to occur humans need to be sexually aroused. Sexual arousal is then followed by a series of phases.

What is the process of copulation?

Sexual intercourse, or copulation, is the deposition of sperm into a female via a male intromittent organ. In humans, the intromittent organ is the penis, and sperm are deposited into the vagina, where they make their way to towards the uterus to fertilize an egg.