Level 18.
icekitty26- Pidgy Evolves into Pidgeotto at level 18.
Pidgey becomes Pidgeotto at level 18, then Pidgeot at level 36.
Yamna does not evolve in FireRed.
Lickitung does not evolve in FireRed.
Pidgey evolves at level 18 into pidgeotto. pidgeotto evolves at level 36 into pidgeot.
Dragonair will evolve at level 55.
nopes
pidgy and rattata
Electabuzz is not able to evolve in FireRed.
Rhydon is not able to evolve in FireRed.
Pidgey evolves into Pidgeotto at level 18 and evolves into Pigeot at level 36. Hope that helped :)
pidgeotto will evolve at level 36