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An Ocellate mountain viper (Montivipera wagneri) at the St. Louis Zoo.

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An Ocellate mountain viper (Montivipera wagneri) at the St. Louis Zoo.

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A Pakistan saw scale viper (Echis carinatus carinatus) at Reptile Gardens.

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A Pakistan saw scale viper (Echis carinatus carinatus) at Reptile Gardens.

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A desert horned viper (Cerastes cerastes cerastes) at Reptile Gardens.

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A desert horned viper (Cerastes cerastes cerastes) at Reptile Gardens.

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A desert horned viper (Cerastes cerastes cerastes) at Reptile Gardens.

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A desert horned viper (Cerastes cerastes cerastes) at Reptile Gardens.

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A jararaca (Bothrops jararaca) at the Kentucky Reptile Zoo in Slade, Kentucky.

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A Roman’s saw-scaled viper (Echis leucogaster) at the Kentucky Reptile Zoo in Slade, Kentucky.

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A Roman’s saw-scaled viper (Echis leucogaster) at the Kentucky Reptile Zoo in Slade, Kentucky.

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A Sindh saw-scaled viper (Echis carinatus sochureki) at the Kentucky Reptile Zoo in Slade, Kentucky.

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A Sindh saw-scaled viper (Echis carinatus sochureki) at the Kentucky Reptile Zoo in Slade, Kentucky.

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A Sindh saw-scaled viper (Echis carinatus sochureki) at the Kentucky Reptile Zoo in Slade, Kentucky.

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A jararaca (Bothrops jararaca) at the Kentucky Reptile Zoo in Slade, Kentucky.

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A Broadley’s bush viper (Atheris broadleyi) at Reptile Lagoon in Hamer, South Carolina.

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A Broadley’s bush viper (Atheris broadleyi) at Reptile Lagoon in Hamer, South Carolina.

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A jararacussu (Bothrops jararacussu) at Reptile Lagoon in Hamer, South Carolina.

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A Broadley’s bush viper (Atheris broadleyi) at Reptile Lagoon in Hamer, South Carolina.

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A Broadley’s bush viper (Atheris broadleyi) at Reptile Lagoon in Hamer, South Carolina.

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A jararacussu (Bothrops jararacussu) at Reptile Lagoon in Hamer, South Carolina.

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A jararacussu (Bothrops jararacussu) at Reptile Lagoon in Hamer, South Carolina.

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A levantine viper (Macrovipera lebetina obtusa) at the Sedgwick County Zoo in Wichita, Kansas.

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A levantine viper (Macrovipera lebetina obtusa) at the Sedgwick County Zoo in Wichita, Kansas.

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An Egyptian saw-scaled viper (Echis pyramidum) at the Sedgwick County Zoo in Wichita, Kansas.

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An Egyptian saw-scaled viper (Echis pyramidum) at the Sedgwick County Zoo in Wichita, Kansas.

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A common viper, Vipera berus berus, at Wildwood Trust near Canterbury, England.

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A common viper, Vipera berus berus, at Wildwood Trust near Canterbury, England.

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An Ethiopian mountain viper (Bitis parviocula) at Zoo Atlanta.

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An Ethiopian mountain viper (Bitis parviocula) at Zoo Atlanta.

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An Ethiopian mountain viper (Bitis parviocula) at Zoo Atlanta.

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An Ethiopian mountain viper (Bitis parviocula) at Zoo Atlanta.

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A male and female Bornean keeled green pit viper (Tropidolaemus subannulatus) at the Avilon Wildlife Conservation Foundation.

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Philippine pit viper (Trimeresurus flavomaculatus) at Avilon Zoo.

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A Philippine temple pit viper (Tropidolaemus subannulatus) at Avilon Zoo.

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A male and female Bornean keeled green pit viper (Tropidolaemus subannulatus) at the Avilon Wildlife Conservation Foundation.

Photo: Julie Jensen Director of Marketing | WVC O: 866.800.7326 | D: 702.443.9249 | E: j.jensen@wvc.org

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