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Sexual Reproduction In Penguins I researched sexual reproduction in penguins. The male reproductive tract is made up of four principal parts, the testes, the epididymis, the ductus deferens and the sperm storage location near the cloaca. Like in most birds the female has only one ovary. This ovary produces ova that over a period of time of receptivity increase to 1000 times their original size. The basic female reproductive tract includes the ovary, the magnum, the uterus, the uterovaginal junction, and the oviduct. Ovulation occurs and an ovum is released into the body cavity, the ovum is swept in the infundibulum by finger-like projections called fimbria. The maturing ov