Hamsters can bite when they are scared, startled, or feel threatened, but a sudden change in behavior like biting and hiding can sometimes indicate pain or illness. Observe for other signs of illness such as lethargy, changes in eating or drinking, ruffled fur, or discharge. Ensure his cage is clean and he has enough space and enrichment. If the behavior persists or if you notice any physical symptoms of illness, a vet visit is recommended to rule out underlying health issues, as hamsters often hide signs of sickness. Speak to Dial A Vet via a video consult should you need further guidance.Clinically Approved Standard by Dial A Vet Veterinary Team
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