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Welcome to the Butterfly Fact File

Unravel the enchanting world of butterflies—history, species, and more.

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The History of Butterflies

Butterflies, part of the order Lepidoptera, trace their origins back over 200 million years to the Triassic period. Evolving alongside flowering plants during the Cretaceous (100-130 million years ago), they developed nectar-sipping proboscises by the Eocene (56 million years ago). From ancient Egyptian art to Victorian collectors like Darwin, butterflies have shaped ecosystems and cultures alike.

Today, with ~17,500 species, they’re vital pollinators and symbols of transformation. Learn more about their incredible journey.

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Butterfly Families

Frequently Asked Questions

How many butterfly species exist?

There are approximately 17,500 known species, with more being discovered.

What’s the largest butterfly?

The Queen Alexandra’s Birdwing, with a wingspan up to 12 inches.

Why are butterflies important?

They’re key pollinators and indicators of ecosystem health.