Peacock Butterfly vs Purple Emperor Butterfly
How does the Peacock Butterfly compare to the Purple Emperor Butterfly? They are both members of the Nymphalidae 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
- Aglais io
- Apatura iris
- Classification
- Invertebrate
- Invertebrate
- Family
- Nymphalidae
- Nymphalidae
- Habitat
- Woodlands, meadows, gardens, and parks
- Deciduous and mixed woodlands
- Diet
- Herbivore
- Herbivore
- Conservation status
- Least Concern
- Least Concern
- Lifespan
- 1-11 months
- 2-3 weeks (adult stage)
- Weight
- 0.2-0.5 grams
- 0.4-0.7 grams
Peacock Butterfly vs Purple Emperor Butterfly: who would win?

Peacock Butterfly
0.2-0.5 grams

Purple Emperor Butterfly
0.4-0.7 grams
Purple Emperor Butterfly wins moderate confidence
Purple Emperor Butterfly is substantially heavier (0.4-0.7 grams vs 0.2-0.5 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 Nymphalidae family.
- Both have a herbivore diet.
- Both are listed as Least Concern.
Differences
- Habitat: Woodlands, meadows, gardens, and parks vs Deciduous and mixed woodlands.
- Weight: 0.2-0.5 grams vs 0.4-0.7 grams.
Peacock Butterfly vs Purple Emperor Butterfly: FAQ
Who would win in a fight, a Peacock Butterfly or a Purple Emperor Butterfly?
Purple Emperor Butterfly wins. Purple Emperor Butterfly is substantially heavier (0.4-0.7 grams vs 0.2-0.5 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 Peacock Butterfly and a Purple Emperor Butterfly?
Peacock Butterfly and Purple Emperor Butterfly differ in several ways — habitat: woodlands, meadows, gardens, and parks vs deciduous and mixed woodlands. weight: 0.2-0.5 grams vs 0.4-0.7 grams.
Do Peacock Butterfly and Purple Emperor Butterfly live in the same habitat?
No — Peacock Butterfly lives in woodlands, meadows, gardens, and parks, while Purple Emperor Butterfly is found in deciduous and mixed woodlands.
What do Peacock Butterfly and Purple Emperor Butterfly eat?
Both Peacock Butterfly and Purple Emperor Butterfly have a herbivore diet.
Which is more endangered, the Peacock Butterfly or the Purple Emperor Butterfly?
Peacock Butterfly is listed as Least Concern, while Purple Emperor Butterfly is listed as Least Concern.
How big are Peacock Butterfly and Purple Emperor Butterfly?
Peacock Butterfly weighs around 0.2-0.5 grams, while Purple Emperor Butterfly weighs around 0.4-0.7 grams.

Full profile
Peacock Butterfly

Full profile
Purple Emperor Butterfly





