(bound form) a large water bird mentioned in ancient texts, likely referring to the adjutant stork, 秃鹙 tū​qiū; it is described as looking like a large crane with a bald head and neck, gray or black feathers, and a greedy or aggressive nature

(bound form) the black drongo, a black bird with a long forked tail commonly found in agricultural areas and known for its aggressive behavior when nesting