However, the sunrays are the best. To make the iguana get sufficient quantity of the vitamins and mineral, they should be able to get exposure to sunlight to maximum possible extent. 5. Temperature: Iguanas are cold blooded animals. Their body functioning mostly depends upon the heat they absorb from their environment. The most common variety of them is giant green iguanas; this species is mostly found in Mexico and South America particularly in Brazil. The common verities of iguana are green iguana, blue iguana, marine iguana and lesser Antilillean iguana. These animals are categorized as herbivores-that mostly depend of the plants, leaves, vegetables, flowers and fruits. As iguanas like to climb up the branches of trees, you can place some branches, twigs, barks, rocks and broad limbs and similar material for them. Correct Food: Iguanas are herbivores and mostly feed on leaves, vegetables and fruits. Their diet should be balanced and major part of it should comprise leafy vegetables like mustard greens, kale, escarole, spinach, etc. Its eyes will be round and it will go on flicking the tongue in and out as it moves around. Do not go for a quiet and docile iguana. Cage: Once you have selected your pet, you have to provide it a suitable place to live comfortably. The cage will depend upon the size of the reptile. It is always better to go for a tailor-made home for your iguana. The nose scrapes are resulted from wires, plastic or glass used for their enclosure of cages. If these abrasions are not treated, there is formation of ulcerian sostrum, infection with bacteria and disfiguring of nose. Thermal injuries: Burns and thermal injuries can come, if iguana comes in direct contact of heat sources in their enclosure. The desert iguana mostly finds refuge in bushes and it is lives on vegetables, fruits, buds, flowers and leaves of perennial and annual plants found in the desert. It is categorized as herbivores. It relishes the yellow flowers on creosote bush. It is also known to eat the insects, worms and feces of desert lizards, mammals as well of carrion.