Possible Clues:

• Reptile again out round university
• One piece about first aid on a type of lizard
• Reptile with a dewlap
• Reptile, one to the fore in S American region
• One region in South America that's doesn't have one pet - the tropical type
• Mexican lizard pet for some
• Lizard in S American region, one moving to prime position
• Pet from the tropics
• In the Caribbean it's known as 'the chicken of the trees'
• Lizard with a Taino-derived name