Cairns Birdwing – Ornithoptera euphorion
The Cairns Birdwing (Ornithoptera euphorion) is Australia’s largest endemic butterfly species.
Females have a wingspan reaching of up to 16 cm, males are usually a few centimeters smaller.
Males have a predominately black upper wing with emerald green flashes, however the female lacks the green coloring, having a plain black upper wing with white patches. The female is the larger of the two sexes.
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