Giant Swallowtail Butterfly vs Queen Alexandra's Birdwing Caterpillar
How does the Giant Swallowtail Butterfly compare to the Queen Alexandra's Birdwing Caterpillar? They are both members of the Papilionidae family. Below we put their classification, habitat, diet, size, and conservation status side by side — and settle who would win in a fight.


Side-by-side comparison
- Scientific name
- Papilio cresphontes
- Ornithoptera alexandrae
- Classification
- Invertebrate
- Invertebrate
- Family
- Papilionidae
- Papilionidae
- Habitat
- Woodlands, citrus groves, gardens, and deciduous forests
- Lowland rainforest
- Diet
- Herbivore
- Herbivore
- Conservation status
- Least Concern
- Endangered
- Lifespan
- 1-2 months (adult stage)
- 2-3 months (larval stage)
- Weight
- 0.5-1.0 grams
- Up to 8 grams
Giant Swallowtail Butterfly vs Queen Alexandra's Birdwing Caterpillar: who would win?

Giant Swallowtail Butterfly
0.5-1.0 grams

Queen Alexandra's Birdwing Caterpillar
Up to 8 grams
Queen Alexandra's Birdwing Caterpillar wins high confidence
Queen Alexandra's Birdwing Caterpillar is substantially heavier (Up to 8 grams vs 0.5-1.0 grams). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
Similarities
- Both are invertebrates.
- Both belong to the Papilionidae family.
- Both have a herbivore diet.
Differences
- Habitat: Woodlands, citrus groves, gardens, and deciduous forests vs Lowland rainforest.
- Conservation: Least Concern vs Endangered.
- Weight: 0.5-1.0 grams vs Up to 8 grams.
Giant Swallowtail Butterfly vs Queen Alexandra's Birdwing Caterpillar: FAQ
Who would win in a fight, a Giant Swallowtail Butterfly or a Queen Alexandra's Birdwing Caterpillar?
Queen Alexandra's Birdwing Caterpillar wins. Queen Alexandra's Birdwing Caterpillar is substantially heavier (Up to 8 grams vs 0.5-1.0 grams). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.
What is the difference between a Giant Swallowtail Butterfly and a Queen Alexandra's Birdwing Caterpillar?
Giant Swallowtail Butterfly and Queen Alexandra's Birdwing Caterpillar differ in several ways — habitat: woodlands, citrus groves, gardens, and deciduous forests vs lowland rainforest. conservation: least concern vs endangered. weight: 0.5-1.0 grams vs up to 8 grams.
Do Giant Swallowtail Butterfly and Queen Alexandra's Birdwing Caterpillar live in the same habitat?
No — Giant Swallowtail Butterfly lives in woodlands, citrus groves, gardens, and deciduous forests, while Queen Alexandra's Birdwing Caterpillar is found in lowland rainforest.
What do Giant Swallowtail Butterfly and Queen Alexandra's Birdwing Caterpillar eat?
Both Giant Swallowtail Butterfly and Queen Alexandra's Birdwing Caterpillar have a herbivore diet.
Which is more endangered, the Giant Swallowtail Butterfly or the Queen Alexandra's Birdwing Caterpillar?
Giant Swallowtail Butterfly is listed as Least Concern, while Queen Alexandra's Birdwing Caterpillar is listed as Endangered.
How big are Giant Swallowtail Butterfly and Queen Alexandra's Birdwing Caterpillar?
Giant Swallowtail Butterfly weighs around 0.5-1.0 grams, while Queen Alexandra's Birdwing Caterpillar weighs around Up to 8 grams.

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Giant Swallowtail Butterfly

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Queen Alexandra's Birdwing Caterpillar



