Fauna
Insect

Queen Alexandra's Birdwing

Ornithoptera alexandrae

Also known as Alexandra's Birdwing Butterfly

Gliding high through the lowland canopy of eastern Papua New Guinea, females of this enormous insect rank as the world's largest butterflies, spanning broader than an outstretched human hand. Males are noticeably smaller but display striking, iridescent blue-green bands on velvety black forewings, actively patrolling canopy blossoms in the early morning light. Because larvae feed solely on toxic pipevine species, the caterpillars sequester aristolochic acids that deter birds and tree frogs throughout their lifecycle.

GiantRainforestPollinator
—observations
—countries
—peak records
EndangeredConservation statusIUCN Red List categoriesLCNTVUENCREWEXEndangeredRed List categories, explained →
Diet & preyAristolochia dielsiana leaves, Hibiscus nectar, Ixora nectar
Predators
  • Rufous-bellied kookaburra
  • Orb-weaver spiders
  • Tree frogs
ThreatsOil palm plantation expansion, commercial logging, and illegal specimen trade
HabitatsLowland primary tropical rainforests
Life span3–4 months (adult stage)
  1. OrderLepidoptera
  2. FamilyPapilionidae
  3. GenusOrnithoptera
  4. SpeciesOrnithoptera alexandrae
Range data is not available yet.
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Safe to observe at a normal distance.
What to notice
Enormous size, with brown-and-cream chevroned females and vivid blue-green striped males in eastern Papua New Guinea.
Support conservation
Maintain distant visual observation, never touch or harass resting adults, and avoid disturbing critical host vines.
Responsible observation
  • Canopy Scanning: Use high-powered binoculars to spot adults feeding high in flowering trees at dawn.
  • Habitat Protection: Stay on established forest tracks to prevent crushing ground-level pipevine seedlings.
Keep collecting in Fauna

Found in Collections

Ecosystem chain Pro

Mystic Meadows

Queen Alexandra's Birdwing is found in this collection. Identify it in Fauna to fill this slot and continue your progress.

Unlock to track progress

Continue in the app
Help improve the field guideSomething wrong?

Report a name, category, or profile issue for review.

Checking your Fauna account…