You may be aware that iguanas are herbivores and they mostly eat flowers, buds, tender leaves and fruits. In addition, they also feed on some worms like: rare juicy mealworm, cricket, and wax worm. Iguanas also eat a few different varieties of dark leafy greens and fruits in some parts of America. A few types of iguanas grow very fast. Physical characteristics of Rhinoceros Iguana: This is a very strong type of lizard. It has a firm body, which has a strong crest of its spine and is completely sturdy. It possesses long legs and walks tall on the ground. The Rhinoceros Iguanas have mostly grayish brown color. The male in this species grows up to 56 cms in length and weighs about 10 Kg. This will cause a lot of exertion on their kidneys and may lead to kidney problems. It is hard to absorb the animal proteins and it may produce uric acid in the body which causes gouty arthritis. 2. Water: iguanas consume only a meager quantity of water. There should be sufficient amount of humidity in their cage, otherwise they may get dehydrated. But otherwise, they are calm and fearful and run away, if you go nearer to them. These species are gradually getting endangered. Those found abundantly in wild earlier are getting vanished. The major causes are cutting of forests. Consequently, they lose the place to live. Moreover, they fall a prey to animals and human beings also eat them in many islands. So, alternatively you can put a screen door at the place of closet door. The screen door can be inset on one side and you can pull the lock during cold nights. The Plexiglas front doors will be better. There should be the vent holes provided on the wall above the door for ventilation These are a few ideas for using the closet as an enclosure for iguana's dwelling. Common Ailments with Iguanas That Need Immediate Medical Care Iguanas also get sick like human beings. You will like to keep your pet iguana healthy and want him to live long. 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.