When a hamster's ears stand up, it means that the hamster is alert. Hamsters are sensitive, timid, and have poor eyesight, so they usually use their ears and whiskers to distinguish things. The hamster will be very alert at the slightest movement in the environment and will prick up its ears. This is caused by the hamster feeling uneasy about the surrounding environment.

Tip:

Place the hamster in a quiet environment without human disturbance. When the hamster is in a relaxed state, their ears will droop.