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(noun) The cloaca is the single posterior opening for a bird's digestive, urinary and reproductive tracts and is used to expel feces and lay eggs. The cloaca is found on the rear of the body under the base of the tail, covered by feathers on the extreme lower abdomen.
Both the male and female have an opening called a cloaca. The cloaca is an excretory and sexual opening. During mating, the male and female press their cloacas together (The cloaca is located underneath, near the tail feathers. See picture below.); this is how sperm is passed to the female. They do not have lengthy love making periods, but fast 1 to 3 second copulations that can happen hundreds of times a day. With birds, itâs generally not about quality, itâs about quantity. The male's sperm travels up the oviduct and to the female's eggs.