Blue Tit
Images: Le No, Attribution-NonCommercial-ShareAlike License, Mibby23, Attribution-NonCommercial License, Frank Vassen, CC BY 2.0, Francis Franklin, CC BY-SA 3.0, Corine Bliek, Attribution-NonCommercial License, Isfugl, Attribution-NonCommercial-ShareAlike License, dr.larsbergmann, Attribution-NonCommercial-ShareAlike License, jayhem, Attribution License, alex012, Attribution-NonCommercial-ShareAlike License, Isfugl, Attribution-NonCommercial-ShareAlike License, Mibby23, Attribution-NonCommercial License, Isfugl, Attribution-NonCommercial-ShareAlike License, Harald52, Attribution-NonCommercial License, J-P.M, Attribution-NonCommercial-ShareAlike License, Laurent Echiniscus, Attribution-NonCommercial-ShareAlike License, Isfugl, Attribution-NonCommercial-ShareAlike License, Andreas Eichler, CC BY-SA 4.0, Bernd Thaller, Attribution License, Isfugl, Attribution-NonCommercial-ShareAlike License, michaelmueller410, Attribution License, Wildlife Boy1, Attribution License,
Audio: Marc Anderson, Attribution-Non-Commercial-No Derivatives License, idem, Anthony McGeehan , Attribution-Non-Commercial-Share-Alike License,