The Cairns Birdwing (Ornithoptera euphorion) is a species of birdwing butterfly endemic to northeastern Australia, and is Australia's largest endemic butterfly species. Other common names include Cooktown Birdwing and Northern Birdwing. The name Cairns in its common name is a reference to the Queensland, Australia city in the region where this butterfly is found.
Read more about Ornithoptera Euphorion: Description, Distribution, Images of Life Cycle