If you're wondering what to teach Pidgeotto, focus on the movements of flight. Fly is always a good choice, as is Wing Attack. You want to spend May Sky Attack, though. It is a powerful attack, but it takes a tour of preparation.
Ground attack can not hit Flying Pokemon, but beware of the earth or rock types. Slide Rock and Rock Throw, the only two Rock techniques in the game, are very effective against Flying Pokemon as Pidgeotto. But the fastest way to fly Pokemon is to use a Pokemon Electric. There is virtually no way of equality in flight-type winner emerges a battle lightning.
Ground attack can not hit Flying Pokemon, but beware of the earth or rock types. Slide Rock and Rock Throw, the only two Rock techniques in the game, are very effective against Flying Pokemon as Pidgeotto. But the fastest way to fly Pokemon is to use a Pokemon Electric. There is virtually no way of equality in flight-type winner emerges a battle lightning.