Thermal injuries: Burns and thermal injuries can come, if iguana comes in direct contact of heat sources in their enclosure. The main cause can be exposed hot rocks or light bulbs and heaters. It is necessary to look for the safety of pet and keep all these things out of their reach. The bacterial infection: The iguana can be infected by many kinds of bacteria. The Important Facts about Iguanas Iguanas are mostly found in tropical and semitropical forests and desserts. Different varieties of iguanas are mainly found in Canada, South as well as Central America, Galapagos Island Caribbean Islands, Fiji located in the South Pacific, Madagascar and many places off the east coast in Africa. Marine iguanas are said to be blackish in color and prospering on the sea. Normally, these are not black. Their young ones have a biaxial stripe and the fully grown marine iguanas have grayish color. They actually have a dull color. They have the advantage to absorb heat from sunrays when they come out of water because of this dark color and can keep themselves warm. They are omnivores and feed on fruits, flowers and small insects as well. Genus Dipsosaurus iguana is the dessert iguana from Southern America and Mexico. It is full-bodied and has a raised top. It has prolonged scales on the back. Their bellies are white in color and tails have white spots and have stripes. Always try to allow for the maximum space for iguana. You can use the closet doors for its enclosure. It will retain the heat inside, but at the same time stop the air circulation. 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 Splendid Features of Baby Green Iguanas: Besides their rigid claws and large fingers, the baby iguanas have several admirable features. These baby iguanas have a very sharp sense of hearing, smell and sight. Their tail is their defensive measure. It is pointed at the end. When they sense any danger they flick the tail high up in the air.