Pokémon pic: Professor Oak wants you to tell the difference between these two Voltorb

As part of its ongoing efforts to promote every single Pokémon out there, The Pokémon Company has shared special content dedicated to Voltorb and Ditto:

Did you know? It is said to camouflage itself as a Poké Ball. It will self-destruct with very little stimulus.

Source: The Pokémon Company

Source:Pokémon