Blisbat carry abandoned eggs, raising them until the young Pokémon can live on its own. Blisbat sing sweet tunes to Pokémon that are scared or in distress.
Over the course of evolution, its hind legs turned into wings. If it senses sadness with its fluffy fur, a Blisbat will rush over to the sad person, however far away, to share an egg of happiness that brings a smile to any face.