Feathers or hair?
The plumage is long, soft and loose. They are named after the red whisker mark under their eye. Red-whiskered Bulbuls are usually olive green, yellow or brown coloured, usually the genders of a species have the same colour.
Wit-ti-wet quiep kwil-ya
Translated into human sounds, the chirping of the Red-whiskered Bulbuls sound something like that. Thanks to their loud vocalisations, you can usually hear the Red-whiskered Bulbuls before you see them. Red-whiskered Bulbuls are commonly kept as caged birds in Asia.