Reptiles
Instead of hair or feathers, reptiles are covered with scales that keep them from drying out. They are ectothermic, or cold-blooded, so they have to bask in the sun to keep warm and hide under cover to cool off. Of all the reptiles, 3,000 species are snakes. While ophidiophobia, the fear of snakes, is among the top fears of American adults, most snakes are harmless. In fact, snakes and other reptiles play important roles as predators that keep rodent populations from skyrocketing.
Crocodilians
Lizards
Turtles
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Snakes
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