Gui food vessel, 10th century BCE, now in the collection of the Minneapolis Institute of Art.
From the description of the vessel on artsmia.org:
"This gui displays elaborate birds, a popular motif, on its main decorative register. The birds’ flamboyant design, with their crests and peacock-like plumage, is unique."
More information: https://collections.artsmia.org/art/830/gui-food-vessel-china