Dec 10, · Owners are often surprised to find that their single pet female lizard has developed eggs. A healthy adult female does NOT need the presence of a male to become gravid. Fertilization. For fertilization, a male reptile inserts either the single penis or one of his two hemipenes into the female's cloaca. Owners are often surprised to find that their single pet female lizard has developed eggs. A healthy adult female does NOT need the presence of a male to become gravid. For fertilization, a male reptile inserts either one of his two hemipenes into the female's cloaca, .
Birds reproduce using their cloaca; this occurs during a cloacal kiss in most birds. Birds that mate using this method touch their cloacae together, in some species for only a few seconds, sufficient time for sperm to be transferred from the male to the female. For some birds, such as ostriches, cassowaries, kiwi, geese, and some species of swans and ducks, the males do not use the cloaca . Warmer temperatures produce females and cooler temperatures produce males, so adults need to lay their eggs when the temperature is just right to produce both male and female hatchings.
Dec 01, · The male then everts a hemipenis and inserts it into the female’s cloaca. A female usually lays her eggs four to six weeks after a successful mating. While developing her eggs inside the shell gland, she will appear fuller in the abdomen, and she may eat less and less. Eventually, she may stop eating altogether, though some don’t. While courtship displays take place in flight, eagles do not mate in the air. Rather, copulation occurs on a branch or in the nest with the male mounting the female. During copulation, the cloaca of the male and female touch and sperm is transferred from the male to the female in what is known as the cloacal kiss.