Appearance
Tranquill is a gray bird with black markings, a yellow beak, and yellow eyes. Two black feathers form a tuft, and its long tail feather is tipped in black.

#520
Wild Pigeon Pokémon
Tranquill is a Normal / Flying-type Pokémon, No. 520 in the National Pokédex, introduced in Generation 5 (Unova region).
« These bright Pokémon have acute memories. Apparently delivery workers often choose them as their partners. »
Tranquill is a gray bird with black markings, a yellow beak, and yellow eyes. Two black feathers form a tuft, and its long tail feather is tipped in black.
Its sharp memory always leads it back to its Trainer and its nest. It is said to live deep in forests, and it evolves from Pidove, then into Unfezant.
Ash's Pidove becomes a Tranquill after helping clear Venipede from Castelia City. It later evolves into Unfezant.
It is based on the oriental turtle dove, and the entries also suggest the homing pigeon. Tranquill may blend tranquil, meaning calm, and quill.