Some scientists worried that maybe the Barbados threadsnake had become extinct before it was rediscovered in March.

The world’s smallest known snake can fit comfortably on a coin, so it was able to elude scientists for nearly two decades.

Some scientists worried that the Barbados threadsnake had become extinct, but one sunny morning, Connor Blades lifted a rock in a tiny forest in the eastern Caribbean island and held his breath.

SAN JUAN, Puerto Rico (AP) — Durante casi dos décadas, nadie había avistado a la serpiente más pequeña del mundo que se conocía. Algunos científicos temían que la serpiente hilo de Barbados se hubiera ...