Ornithoptera euphorion
| Cairns birdwing | |
|---|---|
| Male at Melbourne Zoo | |
| Female, ventral view | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Papilionidae |
| Genus: | Ornithoptera |
| Species: | O. euphorion |
| Binomial name | |
| Ornithoptera euphorion (Gray, 1852) | |
| Distribution of Ornithoptera euphorion (in green) and other species of Ornithoptera in Australia | |
| Synonyms | |
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Ornithoptera euphorion, the Cairns birdwing, is a species of birdwing butterfly endemic to Queensland, and is Australia's largest endemic butterfly species. Other common names include Cooktown birdwing and northern birdwing. The names Cairns and Cooktown in its common name reference the Australian cities in the region where this butterfly is found.