LYCOS RETRIEVER 
Snakes: Species
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Snakes are a large group of reptiles; there are over 2,000 different species of snakes alive today. Snakes live in a variety of land and water habitats. The most snakes and the largest snakes are found in tropical rainforests. Snakes are found on every continent except Antarctica. There are no snakes native to Hawaii, Iceland, Ireland, or New Zealand.
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Snakes are cold blooded legless reptiles closely related to lizards, which share the order Squamata. There are ... several species of legless lizard which superficially resemble snakes, but are not otherwise related to them. A love of snakes is called ophiophilia, a fear of snakes is called ophidiophobia (or snakephobia), a specialist in snakes is an ophiologist.
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Harder - Snakes have a long, legless, flexible body that is covered with dry scales. When snakes move about on land, they usually slide on their belly. Snake's eyes are covered by clear scales rather than movable eyelids; therefore, their eyes are always open. They repeatedly flick out their narrow, forked tongue, using it to bring odors to a special sense organ in the mouth.
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Snakes occur in many different places, including yards in rural and suburban areas. Most species are small and secretive and are seldom seen by homeowners, but larger snakes can create quite a commotion. If you live near a creek, woods, or fields, then snakes may occasionally show up in your yard. The best way to deal with snakes is to educate yourself, your children, and your neighbors about them. Remember that you have invaded the snake's world, not the other way around. By realizing that snakes are part of the local wildlife (just like songbirds and squirrels) and a sign of a healthy environment, you may even enjoy the prospect of a snake residing on or visiting your property.
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Snakes do not normally prey on people, but there are instances of small children being eaten by large constrictors in the jungle. While some particularly aggressive species exist, most will not attack humans unless startled or injured, preferring instead to avoid contact. In fact, most snakes are non-venomous or have venom that is not harmful to humans.
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Snakes are closely related to lizards and, along with turtles and tortoises, are members of the class Reptilia (reptiles). There are about 250 species and subspecies of snakes in the United States, many of them intricately patterned and brilliantly colored. Only four types are venomous:
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