Meaning : Highly venomous viper of northern Africa and southwestern Asia having a horny spine above each eye.
Synonyms : cerastes, cerastes cornutus, horned asp, horned viper
Meaning : Harmless North American snake with upturned nose. May spread its head and neck or play dead when disturbed.
Synonyms : hognose snake, puff adder
Sand viper meaning in Bengali (Bangla).