sooty-headed bulbuls preening their wings on a perch under evening sun light

animal asia asian avian beak beautiful bird birdwatching black brown bulbul bulbuls color conservation crest crested cute dot environment evening extinction feather forest fruit isolated light nature ornithology park passerine perch plumage preening pretty puff red small sootyheaded summer sun sweet thailand their tree tropical tweet urban white wild wildlife wing wings zoological