The Hiss of a Russell’s Viper! | Snakes SOS: Goa’s Wildest | National Geographic

The Russell’s viper have large nostrils that help them hiss as loud as pressure cooker! Follow the lives of such extraordinary snakes on Snakes SOS: Goa’s Wildest, on National Geographic. #NatGeoAdventure . Subscribe to Nat Geo India: ► Connect with National Geographic India for more: ◼ Facebook: ◼ Instagram: ◼ Twitter: #NatGeoIndia