examples of reptiles 
Reptiles: cold-blooded vertebrates covered in scales (about 6,000 species) having limbs that are sometimes atrophied or absent.
Medium-sized nonvenomous snake found in hot regions of the Americas; it lives mainly in trees or in the water and kills its prey by strangulation.
Large diurnal carnivorous lizard with an elongated head found in hot regions of Africa, Asia and Australia; there are land and aquatic species.
Giant lizard found in tropical regions of the Americas and the Pacific islands and having a spiny dorsal crest; it lives mainly in trees.