noun, noun or participle which takes 'suru', intransitive verb
preening
Refers to a bird grooming its feathers with its beak. Can also be used metaphorically for a person tidying their appearance.
スズメが羽繕いをしている。
The sparrow is preening its feathers.
彼女は鏡の前でしきりに羽繕いをしていた。
She was constantly preening in front of the mirror.