Mating

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Mating occurs when male and female animals complete their courting routine (If there is one) and attempt to reproduce. Lizards and snakes normally wrap their tails around each other to mate. The female becomes gravid and will lay eggs or give birth to live young.

Two Leopard Geckos mating.

Lizards

Lizards copulate the same way as many reptiles via internal fertilisation through sexual stimulation, A very general and broad description is mating by entwining the tails of the male and female lizard usually coupled by hind legs locking together and some form of aggressive behaviour on the males part. Most lizards’ posses a hemi-penis that allows insertion of the penis from either side of the body depending on the closest to the females cloacae. Fertilisation almost always occurs inside the female’s body. Mating is usually very brief lasting under a minute however multiple mating sessions are not uncommon depending on the species.

Frogs

Main article: Amplexus

Some frogs, including most pond frogs, mate via external fertilization. The male grips the female around her head, neck, behind her front legs, or around her waist. Mating in such frogs typically occurs in water; the female frog begins laying eggs, which are fertilized by the male. Other frogs, like coquis, have copulatory organs which the male uses to transfer sperm to the female. The eggs are normally laid a week or two after fertilization.

Salamanders

Salamanders are unique in that mating occurs with little or no physical contact between the male and female. After completing their courtship, pairs of salamanders usually head for water or damp ground. The male deposits a sperm packet, which the female collects. The eggs are normally laid between three days and one week later.