Juergen Freund / Timelapse of a Cairns birdwing (Ornithoptera euphorion) butterfly caterpillar metamorphosing into a chrysalis, Queensland, Australia, April.

Juergen Freund / Timelapse of a Cairns birdwing (Ornithoptera euphorion) butterfly caterpillar emerging from egg on an Dutchman's pipe (Aristolochia) leaf and feeding, Queensland, Australia, April.

Konrad Wothe / Cairns birdwing butterfly (Ornithoptera priamus) male on fern leaf and Blue Mountain Swallowtail butterfly in flight, Atherton Tablelands, Queensland, Australia, October

Steven David Miller / Australian birdwing butterfly {Ornithoptera priamus} male on flower. Captive. Australia.

Bristol City Museum / Queen Alexandra's birdwing butterfly {Ornithoptera alexandrae} museum specimens, male top, female below. World's largest butterfly, wing span 1 foot / 30 cms. Endangered species occurs in Papua New Gu...

Michael & Patricia Fogden / Common Green Birdwing (Ornithoptera priamus) butterfly in the rainforest, Kuranda State Forest, Queensland, Australia

Mark Moffett / Poseidon Birdwing (Ornithoptera priamus poseidon) butterfly, male, Irian Jaya, New Guinea, Indonesia

Steven David Miller / Cairns birdwing butterfly (Ornithoptera euphorion) male resting on leaf. Kuranda Butterfly Sanctuary, Queensland, Australia. Captive.

Steven David Miller / Cairns birdwing butterfly (Ornithoptera euphorion) male resting on leaf. Kuranda Butterfly Sanctuary, Queensland, Australia. Captive.

Steven David Miller / Cairns birdwing butterfly (Ornithoptera euphorion) male resting on leaf. Kuranda Butterfly Sanctuary, Queensland, Australia. Captive.

Steven David Miller / Cairns birdwing butterfly (Ornithoptera euphorion) male nectaring on flower. Kuranda Butterfly Sanctuary, North Queensland, Australia. Captive.

Steven David Miller / Cairns birdwing butterfly (Ornithoptera euphorion), male wing, close up. Kuranda Butterfly Sanctuary, North Queensland, Australia. Captive