No one had spotted the world’s smallest known snake for nearly two decades. Some scientists worried that maybe the Barbados threadsnake had become extinct.

A snake believed to be extinct for nearly two decades and small enough to be mistaken for a worm has been rediscovered in

Until this spring, the world's smallest species of snake was considered lost to science, and quite possibly extinct — until Connor Blades and his colleague found one under a small rock in the forest.