Blue Iguana (only found on the Caribbean Island Grand Cayman) Slithers Back from Extinction by Fred Burton. This is a male Grand Cayman Blue Iguana (Cyclura lewisi) at his peak. This reptile often grow to more than 5 ft in length and 25 lbs.
Blue-tongued lizards, or skinks, have vivid cobalt-colored tongues. Native only to Australia, they& docile creatures that are often kept as pets. They& also the world& largest urban-dwelling wild lizards, and can grow as long as two feet!