Cairns Birdwing
Common NameCairns Birdwing
Scientific NameOrnithoptera euphorion
FamilyPapilionidae
SubfamilyPapilioninae
Wingspan (mm)150
Wing Patterniridescent
Primary Colorsblack, green, blue
HabitatTropical rainforests, forest edges
Geographic RangeNortheastern Australia (Queensland)
Host PlantsAristolochia tagala, Aristolochia acuminata
Flight PeriodYear-round (more active in warmer months)
Flight Stylesoaring
Conservation Statusleast-concern
Lifecycle NotesEggs are laid singly on the host plant. Larvae are dark with fleshy spines and feed on Aristolochia leaves, sequestering toxins. Pupae are green or brown, camouflaged, and hang upside down.
Identification TipsDistinguished by its immense size, the male's vibrant iridescent green and blue patterns on black wings, and its exclusive range in the tropical rainforests of northeastern Australia. Females are larger and have a more subdued black and cream pattern.
Description
A very large and striking butterfly, males feature velvety black wings with brilliant iridescent green and blue markings, especially on the hindwings. Females are larger, darker, and have cream-colored markings.





