Peppered Moth vs Peacock Butterfly

Side-by-side species comparison

Attribute Peppered Moth Peacock Butterfly
Scientific Name Biston betularia Aglais io
Order Lepidoptera Lepidoptera
Family Geometridae Nymphalidae
Size 45-62 mm wingspan 50-55 mm wingspan
Habitat Woodlands Underground
Diet Herbivores Nectar Feeders
Regions Europe, Asia, North America Europe, Asia
Conservation Least Concern Least Concern

Peppered Moth

The classic textbook example of natural selection in action. During the Industrial Revolution, dark (melanic) forms became dominant in polluted areas with soot-darkened trees.

💡

Did You Know?

The peppered moth is the most famous example of observed evolution — dark moths increased from 2% to 95% of the population during Britains Industrial Revolution.

Peacock Butterfly

Reddish-brown wings with four large blue and yellow eyespots resembling peacock feathers. Undersides are nearly black, providing camouflage when at rest.

💡

Did You Know?

When threatened, it rapidly opens its wings to flash its eyespots while making a hissing sound.