Rookidee

Rookidee is a -type pokémon. It evolves into Corvisquire starting at level 18, which evolves into Corvisquire starting at level 38.

Pokédex Entries
Although they seem to vastly overestimate their own abilities, Rookidee are highly intelligent and easy to train, so they're a good fit for new trainers. It's quite swift and likes to fly in the face of powerful opponents, though it seldom proves more than a minor annoyance.