the 'Saqqara Bird' — toy, weathervane, or something dumber than that

Found in a tomb at Saqqara in 1898, sat in the Cairo museum drawer labeled 'bird' for ages. Sycamore wood, about 18cm wingspan, dated roughly 200 BC. Looks like a bird EXCEPT the wings are flat and slightly drooped like an aircraft, and the tail is a vertical fin standing up, which no actual bird ha……