Miscellaneous Iguanas need exercise, especially youngsters. Climbing is a good and very natural exercise which young iguanas will do with a little encouragement. Be sure you provide climbing branches in a baby iguana's cage, and also encourage them to climb your arms and whatnot when playing with them. Iguanas can easily overheat if left on a sunny windowsill or porch for too long. Get it into some shade to cool off.
Some iguanas are very afraid of loud noises.
It may be best to remove an iguana from a room before vacuuming the carpet or doing any other very loud activity. A baby iguana may nip you - don't worry, it doesn't hurt until they get bigger. There are good books on iguana care in any large book store . Involved in NIAD . Here are some Iguana-related sites that you may find interesting.