The hamster care resource you've been looking for

Your trusted guide to happy, healthy hamsters.

Evidence-based care advice, written by someone who's kept hamsters for over two decades and got tired of finding bad information online.

20+ Years keeping hamsters
Vet-trained Veterinary nursing background
2 Hamsters currently in residence

Why Hamster World?

Most hamster care advice online is either outdated, generic, or copied from other generic sources. This site exists to be better than that.

Evidence-based

Recommendations grounded in peer-reviewed research and veterinary guidance, not pet-store marketing copy.

Genuinely useful

No filler. Every article answers a specific question a hamster owner actually needs answered, completely.

Written by an owner

By someone with a vet-nursing background who has kept hamsters since childhood and currently lives with two of them.

Latest articles

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Behavior & Handling 8 min read

Why Is My Hamster Hiding? Normal vs Worrying

Hamster hiding is often normal, especially during the day or after a move. Learn what it means, how to help, and when hiding signals stress or illness.

The person behind the site

Sarah Mitchell

Former veterinary nursing student, senior product designer, working remotely from Amsterdam. In 2019, my daughter Lily brought home the class hamster, a Syrian named Noodle, for two weeks, and I couldn't find a single reliable care guide online. I started taking notes. Hamster World launched in 2026. I currently live with my husband Tom, our children Lily and Jack, and two hamsters: Mochi and Sir Fluffington III.

My story