Notes:

Swabbird is a Dark/Flying Pokemon.
Swabbird evolves into Arraven at level 30, then into Captaingale when holding a Pirate Hook and traded for a BeetBonk holding a Rotten Berry.
Pokedex entry:
"A Swabbird's usual task in a crew of Pirate Birds is to clean the deck when it's dark with dust or any other dirtiness. It dreams to find treasure on its own one day."

Other notes:
Swabbird is a Darkness exclusive.