It may constitute green and leafy vegetables and other food. You can add some lettuce. If you cannot find the leafy vegetables, find out the other green vegetables and fruits. It is better to get the advice of experts for their diet. Temperature: Most of the varieties of iguanas come from the tropical or subtropical regions. There are also large scales on his head. Some of the species of Rhinoceros Iguana have horns also. These can be comprehended as simple grown up scales. Their males are evidently much larger than females. Males have bigger horns Diet and Lifestyle of Rhinoceros Iguana: Rhinoceros Iguana is also a vegetarian species. The other suitable alternatives are the inner as well as outer carpeting, linoleum lining or artificial glass. You should not use mud, soil, sand and bark as these will breed pest in them and cause damage to iguanas. You should clean the dwelling of iguana and sterilize it twice every week. You can place a few pieces of rocks, drift woods, broad limbs, branches etc. They jump and fall from the height of 40 to 50 feet without any sign of injury and stay safe and sound. The male iguanas are found with a flap called dewlap on ir skin. They impress their female iguana with this flap. Also, their dewlap is useful to scare the predator. They use dewlaps to look bigger in size. We have discussed here the most common types of sicknesses of iguana that demand prompt vet care and will require suitable medication so that you do not lose your pet. Fibrous Osteodystrophy: Metabolic bone diseases are very common with iguanas. In fibrous osteodystrophy their bones become weak and may fracture also. The different varieties of iguana comprise those with curly tails, whip like tails, anoles and swifts. There are different types of iguana depending on their habitat: terrestrial, arboreal and semi-aquatic. Because of their skill, they have easy adaptability to the environment they live in. For instance, the marine iguana can easily swim and green iguana can climb the high treetops.