Why Is My Hamster Acting Strange? 9 Warning Signs & What to Do

Hamster sitting hunched and acting unusually in its cage

One day your hamster is running on its wheel, stuffing food into its cheeks, and acting completely normal. Then one evening, something seems off. Your hamster may stay hidden longer, ignore a favorite treat, or simply behave in a way that doesn’t feel normal. Maybe it’s sleeping more than usual, avoiding interaction, moving strangely, or …

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