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Rajah Brooke's birdwing (Trogonoptera brookiana) is a birdwing butterfly from the family papilionidae of butterfly. Both sexes resemble the more restricted relative, the Palawan birdwing, but males of Rajah Brooke's birdwing have more green to the hindwings. The wingspan of Rajah Brooke's birdwing is 15–17 cm (5.9–6.7 in). The wings of males are mainly black. Each forewing has seven tooth-shaped electric-green markings, while there is a relatively large metalic green patch on the hindwings.