In the core series games
If held by a Pidgeot (or is present in the player's Bag)PE, allows it to Mega Evolve into Mega Pidgeot if its Trainer has a Key Stone. Each Trainer can only Mega Evolve one Pokémon per battle.
Unaffected by item negating effects (such as Embargo and Klutz). Item manipulating effects (such as Trick and Fling) cannot give Pidgeot a Pidgeotite or remove a Pidgeotite from Pidgeot.
Outside of battle
If held by a Pidgeot, allows it to Mega Evolve into Mega Pidgeot when it performs a Spectacular Talent during a Pokémon Contest Spectacular while its Trainer has a Key Stone. Pidgeot will remain a Mega Pidgeot until the Talent Round ends.
Pokémon holding Pidgeotite in Pokémon Omega Ruby and Alpha Sapphire cannot be traded to Pokémon X and Y.
| One of a variety of mysterious Mega Stones. Have Pidgeot hold it, and this stone will enable it to Mega Evolve during battle.
|| One of a variety of mysterious Mega Stones. This stone will enable Pidgeot to Mega Evolve during battle.
In spin-off games
|| This section is incomplete.|
Please feel free to edit this section to add missing information and complete it.
In Pokémon Shuffle, the Pidgeotite allows the player to Mega Evolve Pidgeot.
The player can obtain the Pidgeotite by reaching Trainer Rank 12.
The Pidgeotite was also available as a prize during the Mega Pidgeot Competitive Stage. This Competitive Stage ran on the Nintendo 3DS and Mobile versions from October 11 to 18, 2016.
The Pidgeotite enables the following Mega Evolutions:
|| Mega Pidgeot
|| Erases Pokémon in a horizontal V-shaped pattern.
Erases Pokémon in a > shape.
In other languages
|| 大比鳥進化石 Daaihbéiníuh Jeunfa Sehk
|| 大比鳥進化石 / 大比鸟进化石 Dàbǐniǎo Jìnhuà Shí
|| 피죤투나이트 Pijontoonite