Evolutionary history and postglacial colonization of an Asian pit viper (Gloydius halys caucasicus) into Transcaucasia revealed by phylogenetic and phylogeographic analyses | Scientific Reports
The common European adder or common European viper (Vipera berus), female Photo: Ola Jennersten / TT / code 2754 Stock Photo - Alamy
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Two new pit vipers discovered from Qinghai-Tibet Plateau | Blog
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Brazilian viper venom may become tool in fight against COVID, study shows | Reuters
Viper Snake - Facts and Beyond | Biology Dictionary