Willow Tit
Images: Francis Franklin, CC BY-SA 3.0, Francis C. Franklin, CC BY-SA 3.0, Francis C. Franklin, CC BY-SA 3.0, Estormiz, CC0, Jyrki Salmi, CC BY-SA 2.0, Estormiz, CC0,
Audio: Jarek Matusiak, Attribution-Non-Commercial-Share-Alike License, idem, Krzysztof Deoniziak, Attribution-Non-Commercial-No Derivatives License,