Level 20.
a golbat
Yes, Zubat does evolve in Pokemon diamond. Zubat evolves into Golbat, which has eyes, unlike Zubat. Golbat isn't a very strong Pokemon, nor is Zubat. zubat evolves at level 22
zubat evolves at level 22 into golbat. if you want a crobat, make it happy.
You need to level Zubat up to level 22. Then it will evolve into Golbat.
Golbat does not evolve into Zubat however provided you want a Zubat then you could put a Golbat into the Daycare with a Ditto and that will give you a Zubat Egg.
Golbat,Sableye,Nosepass& Zubat
22
Zubat evolves into Golbat, starting at level 22, then Golbat evolves into Crobat with maxed Happiness towards the player.
It evolves at level 22 into Golbat. Golbat evolves with happiness into Crobat.
some wild zubat have it. the wild golbat in victory road have it
It evolves into Golbat
If you evolve zubat to golbat it learns mean look at level 33