| 1. sand viper [ Synonyms: cerastes, cerastes cornutus, horned asp, horned viper] | |
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Highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye
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| 2. sand viper [ Synonyms: hognose snake, puff adder] | |
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Harmless North American snake with upturned nose; may spread its head and neck or play dead when disturbed
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