The West African gaboon viper has the longest fangs of any snake. In a 6ft (1.83m) long specimen they measured 2in (50mm). Snakes don’t blink as they have transparent eyelids that are fused shut.

The Gaboon viper is native to rainforests of central, eastern, and western Africa. It is not an aggressive snake, but its two-inch fangs are the longest of any venomous snake, and it produces more ...