This monumental handscroll, attributed to the Northern Song painter Zhao Chang, showcases an extraordinary assembly of birds rendered in meticulous detail across silk using ink and color. The composition demonstrates the sophisticated ornithological observation and technical mastery characteristic of Song court painting traditions, with each bird species portrayed with naturalistic precision in varied poses and plumage. As a handscroll format, the work invites intimate viewing and allows the viewer to experience the procession of avian subjects sequentially, emphasizing the artist's encyclopedic approach to depicting the natural world.