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We know that certain turtles and tortoises live to be well over a century. While iguanas are in the same class, Reptilia, as turtles and tortoises, we were pretty confident that iguanas don't live as long. After doing a bit of research, we found that you don't have to worry about your iguana living to see the year 2100. A simple Yahoo! search for "iguana" returned several categories, including specifically about iguanas. Even though this category lists several web sites, we were unable to find
the answer to the question. Most of the sites cover topics such as nutrition, housing, maintenance, and behavior. We've always been a fan of web cams, and, not surprisingly, there's an iguana cam. Although these sites were informative and entertaining, we decided to broaden our search. Figuring we could get more information, we moved up the hierarchy to the Reptiles category. The first site looked promising: Animal Diversity Web's Class Reptilia page, an excellent phylogenic resource. We jumped right in. Although the site isn't
the prettiest or easiest to navigate, it did provide us with an answer. After making our way to Order Squamata, then Family Iguanidae, we clicked on Green Iguana. Scanning the information, we found the answer to your question at the bottom of the page. According the folks at Animal Diversity Web, the average life span of a well-cared-for pet iguana should be about 20 years.
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