Northern Wren
Images: Pierre Guezingar, Attribution-ShareAlike License, Alpsdake, CC BY-SA 3.0, André Chivinski, Public Domain Dedication (CC0), Andreas Eichler, CC BY-SA 4.0, André Chivinski, Public Domain Dedication (CC0), Internet Archive Book Images, No known copyright restrictions, André Chivinski, Public Domain Dedication (CC0), Gwenole Camus, Attribution-ShareAlike License, David Bird Tan, Attribution-NonCommercial-ShareAlike License, André Chivinski, Public Domain Dedication (CC0), Becky Matsubara, Attribution License, Putneypics, Attribution-NonCommercial License, Brian H. Hoffe, Attribution-NonCommercial-ShareAlike License,
Audio: Alexander Henderson, Attribution-Non-Commercial-No Derivatives License, Fraser Simpson, Attribution-Non-Commercial-Share-Alike License, Tim de Boer, Attribution-Non-Commercial-Share-Alike License, Anthony McGeehan , Attribution-Non-Commercial-Share-Alike License, idem,