Alpha-sapphire: Swellow is very conscientious about the upkeep of its glossy wings. Once two Swellow are gathered, they diligently take care of cleaning each other’s wings.Omega-ruby: Swellow flies high above our heads, making graceful arcs in the sky. This Pokémon dives at a steep angle as soon as it spots its prey. The hapless prey is tightly grasped by Swellow’s clawed feet, preventing escape.Y: It dives at a steep angle as soon as it spots its prey. It catches its prey with sharp claws.