An Ethiopian mountain viper (Bitis parviocula) at Zoo Atlanta.
A male and female Bornean keeled green pit viper (Tropidolaemus subannulatus) at the Avilon Wildlife Conservation Foundation.
Philippine pit viper (Trimeresurus flavomaculatus) at Avilon Zoo.
A Philippine temple pit viper (Tropidolaemus subannulatus) at Avilon Zoo.
An Ashy pit viper (Trimeresurus puniceus) at the Houston Zoo.
An endangered Italian asp viper (Vipera aspis francisciredi) at Reptiland in Riva del Garda Italy.
A Philippine pit viper (Trimeresurus flavomaculatus) at the Avilon Zoo.
European nose-horned viper (Vipera ammodytes) at the LA Zoo. This species is from Montenegro.
A brown spotted pitviper or Chinese habu pitviper (Protobothrops mucrosquamatus) at the St. Louis Zoo.
An asp viper (Vipera aspis aspis) at the St. Louis Zoo.
A Russian viper or Lotievi’s viper (Vipera lotievi) at the St. Louis Zoo.
A Moorish viper (Macrovipera mauritanica) at the St. Louis Zoo.
A Nepal viper or mountain pit viper (Ovophis monticola convictus) at the St. Louis Zoo.
A rock mamushi or Amur viper (Gloydius saxatilis) at the St. Louis Zoo.
A vulnerable Renard’s meadow viper (Vipera renardi) at the St. Louis Zoo.
An Eastern long-nose viper, (Vipera ammodytes meridionalis) from Syrose, Greece, at the St. Louis Zoo.
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