Male: The fore wings are black. Next to the wing tip there is a large, green spot. There is a green area around the thorax. The underside of Ornithoptera victoriae is black. The green spot and the green area are combined. At the wing leading edge there is a large black spot. The veins are black. The hind wings are green. The edge of wing is black. At the outer edge there are three golden spots. The underside is green. The veins are partly black. At the outer edge there are three golden spots. Between these golden spots there are black spots. The ventral side of the wings are of very similar appearance to the dorsal side. The abdomen is yellowish or white. The head and thorax are black. Female: The general colour of the female is black or dark-brown. There are many white spots on the fore wings. Next to the thorax there are two yellow stripes. On the hind wings there are two chains of white marks. There is also one yellow spot. As with the male, the ventral side of the wings are quite similar in appearance to the dorsal side. Typical of birdwing butterflies, the female covers the upper range of the wing-span. It is significantly larger than the male.