Alligators Are Always Erect, and More Weird Reptile Genitalia. The male American alligator, Alligator mississippiensis, keeps its penis erect but tucked inside its body until mating.

Do alligators have balls?

The male reptiles, like all other vertebrates, have paired gonads that produce sperm and testosterone. ... Reptiles carry their testicles or testes internally, often in close proximity to the kidneys.

How do alligators physically mate?

When an alligator finds their potential mate, they initiate direct courtship by rubbing and pressing each other's snouts and backs. ... After the hard-shelled eggs are laid, the mother alligator will cover them with more mud, sticks and plants and wait for their arrival during their 65-day incubation period.