Sun & Moon
Its wings are covered in toxic scales. If it finds bird Pokémon going after Caterpie, Butterfree sprinkles its scales on them to drive them off.
Sun & Moon
Its shell is filled with a thick liquid. All of the cells throughout its body are being rebuilt in preparation for evolution.
Sun & Moon
Perhaps because it would like to grow up quickly, it has a voracious appetite, eating a hundred leaves a day.
