Saw-scaled vipers are solitary creatures and tend to avoid each other except during the mating season. They are nocturnal, meaning they're most active at night when they come out to hunt and explore.

The not much talked of saw-scaled viper is the No. 1 biter in the Jaffna peninsula among the deadliest venomous five in Sri Lanka, with the more feared Russell’s viper and cobra coming second and ...