The featherfolk are an avian demi-human race so called because their bodies are covered in feathers. Because of their cautious and timid nature, they live in secluded places far from human habitation. They have a habit of whistling melodies to show signs of friendship, and many of them excel at singing and playing musical instruments.
- Genso Suikoden Tsumugareshi Hyakunen no Toki The Perfect Guide (ISBN 978-4-04-886456-5), page 20
- Genso Suikoden Tsumugareshi Hyakunen no Toki The Complete Guide (ISBN 978-4-04-886462-6), page 241