Swablu, the Cotton Bird Pokémon. Swablu loves cleanliness and is quick to wipe of any unclean surface with its cotton-like wings.
– Ash’s Pokedex
Swablu looks like a cotton ball. Its body consists mostly of its face; actually, its head and body are one entity.
It’s one of the two Pokemon (the other being Onix) that changes its primary type upon evolution, but keeps its secondary type.