Nature's Greatest Moments - Episode 117: Living Fossils - Leguaan

The first monitor lizards probably originated in northern Asia at least 90 million years ago. They are haracterised by a visible parietal eye and moveable eyelids, four powerful well developed limbs, claws with five digits, an elongated head with external

offthefencenaturesgreatestmoments | February 20, 2009

Tags:. .elongated. .parietal. .moveable. .eyelids. .lizards