They have very noticable sexual dimorphism. The male and female coloring is very important. The female coloring is controlled by hormones. When they change colors, it is a signal to males that they are ready to mate. Like most lizards, Keeled earless lizards are oviparous.
Females have unique coloring when they are carrying eggs.
They tend to be orange or pink. The female digs a burrow in which to deposit her eggs. Behavior Keeled earless lizards spend most of their time alone. They are very solitary, except during their breeding season. During at which time the males tend to get competitive with each other.