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sand viper, horned viper, cerastes, horned asp, Cerastes cornutus | highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye ❲Cerastes cornutus❳ | ||
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hognose snake, puff adder, sand viper | harmless North American snake with upturned nose; may spread its head and neck or play dead when disturbed |