Most reptiles will not suffer ill health if not able to hibernate. If you plan to keep your reptile out of hibernation, be sure to offer ample heating and food and water. It is not recommended to allow young reptiles or reptiles that are ill to hibernate. Sexing Iguanas - As infants, it is difficult to tell the difference between the sexes. However, as they mature, the differences become more apparent.
Male iguanas are much larger than the females.
The male iguana has a more pronounced jowl and larger tympanic scales. They can also have a larger crest than the female. A more definitive way to determine the sex is that males will develop bulges behind their vents which females do not develop. Most iguanas will mature around 2 years of age. Heat Rocks are the number 1 cause of burns in reptiles.