Common birdwing (Troides helena)
The common birdwing is amongst the largest and most beautiful butterflies in Asia. The dramatic contrast of golden yellow hindwings and glossy black forewings gives this species a striking appearance, and serves as a protection mechanism by warning potential predators that it is distasteful. The upper surface of the golden hindwings features black borders and veins, with females additionally possessing a row of large, triangular black spots. A prominent pink saddle distinguishes the caterpillar of this species, and the pupa has a leafy appearance that helps to camouflage it from predators.