By Alan Manson - Yellow-throated Wood-Warbler (Phylloscopus ruficapillus), CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=5264692
Sanger
Sources:
(*) https://en.wikipedia.org/wiki/Yellow-throated_woodland_warbler
(*) https://ebird.org/species/yetwow1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=yetwow1