Why Is a Baby Butterfly Called a Caterpillar?

Q: What is a baby butterfly called?

A baby butterfly is called a caterpillar. Caterpillars increase body mass 10,000x before pupating

Q: What other animals are called caterpillars?

Yes! 2 animals share the baby name "Caterpillar": butterfly, moth.

The story behind the baby animal name “Caterpillar” — its origin, meaning, and history.

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Baby Animal Names Editorial Team

·Updated 2025

Quick Answer

A baby butterfly is called a caterpillar. "Caterpillar" from Old French "chatepelose" (hairy cat) — because caterpillars look like fuzzy cats crawling on leaves. One of the most poetic baby animal names.

The Origin of “Caterpillar”

"Caterpillar" from Old French "chatepelose" (hairy cat) — because caterpillars look like fuzzy cats crawling on leaves. One of the most poetic baby animal names.

Understanding where baby animal names come from helps us appreciate the rich history of the English language. Many baby names evolved from practical needs — farmers, hunters, and scientists needed specific terms to distinguish young animals from adults.

Other Animals Called “Caterpillar”

“Caterpillar” isn't unique to butterflys.2 animals share this baby name:

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Moth → Caterpillar

Insects

See all animals called “Caterpillar” →

Fun Facts About Baby Butterflys

•Caterpillars increase body mass 10,000x before pupating
•They eat their own eggshell after hatching
•Caterpillars have 12 eyes but poor vision
•Some caterpillars communicate with ants using sound

Did You Know?

A caterpillar's first meal is usually its own eggshell — packed with nutrients!

How to Pronounce “Caterpillar”