Hamsters are one of the most commonly kept small mammals, yet their welfare is almost universally compromised by housing that ignores their nocturnal, burrowing lifestyle.
Hamster welfare is systematically compromised by the pet industry. Commercial hamster cages are dramatically undersized and provide no opportunity for burrowing. Hamsters in inadequate housing develop stereotypic bar-chewing and wheel-running behaviors that reflect chronic frustration and stress. Being woken and handled during the day disrupts sleep cycles and elevates stress hormones. The common practice of buying hamsters as starter pets for young children means they are frequently handled inappropriately, dropped, and kept in stressful conditions. Despite being labeled low-maintenance pets, hamsters have substantial welfare needs that most owners are not equipped to meet.