willfosho:No. 169: Crobat aka Crobat (クロバット). If this Pokémon is flying by fluttering only a pair of
willfosho:No. 169: Crobat aka Crobat (クロバット). If this Pokémon is flying by fluttering only a pair of wings on either the forelegs or hind legs, it’s proof that Crobat has been flying a long distance. It switches the wings it uses if it is tired. -- source link