Complex sentence: It is one of only two species in its genus, the other being the more widespread Rajah Brooke's Birdwing, but the male Palawan Birdwing has narrower green bands on the hindwings.
Split into simpler sentences: It is one of only two species in its genus, the other being the more widespread Rajah Brooke's Birdwing. The male Palawan Birdwing has narrower green bands on the hindwings.