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Roosters do. They are internal and cannot be seen or felt from the outside. A rooster does not have an external scrotum, however, he does have testes. The testes are located high in the abdominal cavity just in front of the kidney and close to the backbone. The two kidney bean-shaped testes consist of many slender ducts. The lining of these ducts produces the sperm which is stored in a sperm sac. The testes shrink and grow on a regular basis, becoming larger during active mating. The left testis is often larger than the right one. In addition to creating sperm, the testes also produce the male hormones that influence mating, male behavior, the comb growth on their heads, the size of the tail feathers, the spurs on the insides of their feet and the red wattles under their chins.

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14y ago

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