As part of its ongoing efforts to promote every single Pokémon out there, The Pokémon Company has shared special content dedicated to Doduo:
Did you know? Its short wings make flying difficult. Instead, this Pokémon runs at high speed on developed legs. Doduo’s two heads contain completely identical brains. However, on rare occasions, there will be examples of this Pokémon possessing different sets of brains.
Source: The Pokémon Company
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