By https://www.flickr.com/photos/dkeats - https://commons.wikimedia.org/w/index.php?curid=35895100
Bulbul Tiptol
Sources:
(*) https://en.wikipedia.org/wiki/Sombre_greenbul
(*) https://ebird.org/species/somgre1
(*) https://search.macaulaylibrary.org/catalog?taxonCode=somgre1