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                              Hemidactylus #Comments Habit and Habitat:- Hemidactylus has a worldwide distribution and is chiefly found in India, Europe, Asia, Africa, the USA, China, etc.                                                    Commonly called as house lizard/wall lizard. It is nocturnal in habit. During winter they Hibernate underwoods, logs, and crevices of the walls. They are as fast-runner diapsid. Usually feed on insects and small invertebrates. The body is approximately 25 cm in length. The Head is triangularly containing eyes, nostrils, and external ear opening. Eyes lack movable eyelids. Well-developed forelimbs and hindlimbs. Amphicoecus vertebrae. Lays calcified eggshells. They have a special characteristic, i.e. regenerative tail.

                                   Sphenodon #Comments Habits and Habitats:- Found on relatively inaccessible, islands off the coast of New Zealand. The habitat is cold and damp, with a temperature less than 70 degrees Fahrenheit, and a humidity level of about 80 percent.                                                     Sphenodon is Commonly called as tuatara. They are grey, olive or red in color. They can measure up to 80cm from head to tail-tip and weigh about 1.3 kg. They have a diapsid skull and lack external ears. The male Sphenodon displays a crest down the back of the neck, and another goes down the middle of the back. They have an acrodont tooth structure. They also possess a " parietal eye " on their head. The tuatara has a slow metabolism, thus lives a long...