the color of coal or ink; opposite of 白 bái

(bound form) wing of a bird or insect; also refers to objects that resemble wings

(bound form) general term for various small birds in the finch or sparrow families, such as 燕雀 yàn​què or 金丝雀 jīn​sī​què

(bound form) bird of the Pycnonotidae family; bulbuls are small to medium-sized birds with short necks and wings, known for their melodic singing and diet of berries and insects