The colour of the lizard matches the land on which it lives, so a frilled lizard from one region may be brighter than another. The frill is also believed to aid in the regulation of body temperature. The frilled lizard as a last resort prefers to run rather than fight by making a sudden turn and running off, on its hind legs, to the nearest tree, which it climbs until out of reach. Breeding Matting occurs around September, with the female laying from eight to 23 eggs per clutch in November.
Some females can produce two clutches of eggs in the one season.
The hatchlings start appearing usally in early February weighing around 3 to 5 grams.