The butterfly viper is also known as the “rhinoceros viper” because of the 2-3 horn-like projections it has above each nostril.
The butterfly viper is also known as the rhinoceros viper because of the distinctive set of two or three horn-like scales it has above each nostril at the end of the nose. The front pair of scales may be quite long.
• Image | © Josh More, Some Rights Reserved (CC BY-NC-ND 2.0)
• Sources | (Firehouse, 2003; ITIS, 2017; Rogers, 2000; Spawls, Howell, Drewes, & Ashe, 2004; The Wikimedia Foundation, 2018)
