Steven David Miller / A female Cairns birdwing butterfly (Ornithoptera euphorion), Kuranda Butterfly Sanctuary, Queensland, Australia. Captive.

Juergen Freund / Cairns birdwing butterfly (Ornithoptera euphorion) female on tropical flowers, Queensland, Australia.

Juergen Freund / Cairns birdwing butterfly (Ornithoptera euphorion) on red tropical flowers, Queensland, Australia.

Juergen Freund / Cairns birdwing butterfly (Ornithoptera euphorion) chrysalis, Queensland, Australia.

Lynn M Stone / Cairn's birdwing butterfly (Ornithoptera priamus) male, captive, endemic to northern Australia.

Dave Watts / Female Cairns birdwing butterfly (Ornithoptera euphorion) on leaf, Wet Tropics World Heritage Rainforest, North Queensland, Australia, November

Konrad Wothe / Common Green Birdwing (Ornithoptera priamus) male feeding on flower nectar, Atherton Tableland, Queensland, Australia

Konrad Wothe / Common Green Birdwing (Ornithoptera priamus) butterfly male, Atherton Tableland, Queensland, Australia

Thomas Marent / Common Green Birdwing (Ornithoptera priamus) butterfly, Papua New Guinea

Steven David Miller / Australian birdwing butterfly {Ornithoptera priamus} male, captive, Australia

Steven David Miller / A female Cairns birdwing butterfly (Ornithoptera euphorion) warms herself in the early morning sun in a walk-through aviary/habitat at the Kuranda Butterfly Farm in North Queensland. Captive.

Steven David Miller / Male Australian birdwing butterfly {Ornithoptera priamus} Western Australia