What Level Does Pidgeotto Evolve At

"Pidgey, Pidgeotto, and Pidgeot are the original birds of the Pokemon franchise, dating back to the first generation of games. The Pokemon's designs are made for bird lovers, resembling wrens, sparrows, waxwings, and chickadees all at once. Its name is derived from the word "pigeon" and the black markings around its eyes are said to be inspired by the falcon-like Egyptian deities Horus and Ra." - click image for article