These southwestern lizards' asexual reproduction is no longer a secret Reproduction. The eggs are laid in sand or rotting vegetation where they are concealed from predators but can be warmed by the sun.

Many of the geckos lay two eggs.

However, most lizard species lay …

This means that they don’t need to find a mate in order for them to be able to produce offspring. Depending on the species, reptiles reproduce by either laying eggs or giving birth to live young.

The penis is a homologue of the mammalian penis, and its presence in reptiles indicates that this organ arose early in the evolution of the amniotes and prior to the origin of reptiles and synapsids. No Sex Needed: All-Female Lizard Species Cross Their Chromosomes to Make Babies. Whatever form of reproduction reptiles utilize to produce offspring, it all begins with courtship. Most lizards lay eggs with tough, leathery shells. Lizards can be ready to mate when they are a year old for most of the small and medium species.

The American anoles lay a single egg each time. There are a few species of Lizards that take part in asexual reproduction.

For the larger ones it may be two or three years of age.

In all other reptiles, males have either a penis (as in turtles [order Testudines] and crocodiles [order Crocodylia, or Crocodilia]) or hemipenes (as in lizards and snakes [order Squamata]). There are six families of lizard and one family of snake that are known to reproduce asexually through parthenogenesis.