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

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

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

Norbert Wu / Common Green Birdwing (Ornithoptera priamus) butterfly male on leaf in rainforest, Queensland, Australia

Tom Vezo / Common Green Birdwing (Ornithoptera priamus) butterfly, Tucson Botanical Gardens, Tucson, Arizona

Juergen Freund / Slow motion clip of Birdwing butterflies (Ornithoptera priamus) flying behind a tree, Australia.

Juergen Freund / Slow motion clip of male Birdwing butterfly (Ornithoptera priamus) nectaring on flowers before flying away, Australia.

Juergen Freund / Slow motion clip of male Birdwing butterfly (Ornithoptera priamus) chasing a female that was nectaring before flying away, Australia.

Juergen Freund / Slow motion clip of female Birdwing butterfly (Ornithoptera priamus) nectaring flowers before flying away, Australia.