Simplify the following text for a Grade 8 native English-speaking person.
Original: Two species are included in the genus Iguana : the Green Iguana , which is widespread throughout its range and a popular pet , and the Lesser Antillean Iguana , which is endemic to the Lesser Antilles and endangered due to habitat destruction .
Simplified: There are two different species of lizard : the Green Iguana and the Lesser Antillean Iguana .