Small mammals
Hamster Housing and Welfare: Why Bigger Enclosures and Deep Bedding Matter
Hamsters are solitary, nocturnal burrowers. Getting the enclosure, bedding depth, wheel size and routine right prevents most stress behaviours.

Most hamsters should live alone
Syrian hamsters are strictly solitary and fight seriously if housed together. Dwarf species are sometimes sold in pairs, but fighting is common, so many welfare groups recommend housing them singly too.
Enclosure size and bedding
Small cages are linked to bar-chewing and pacing, which are signs of stress. Aim for a floor area of at least 100 cm × 50 cm, with a solid-floored tank or large bin cage.
Hamsters dig burrows in the wild. Provide at least 20 cm of paper-based or aspen bedding in part of the enclosure so they can tunnel. Avoid cedar and pine shavings, which release irritating oils.
The right wheel
A wheel should be solid-surfaced and large enough that the back stays straight while running: about 28 cm diameter or more for Syrians and 20 cm or more for dwarfs.
Respect the night-time routine
Waking a hamster during the day is stressful and a common cause of bites. Handle in the evening when it is already active, close to the floor, and let it walk onto your hand.
Health signs to watch
- Wet, dirty tail area (can indicate serious diarrhoea, needs a vet urgently)
- Overgrown or broken front teeth
- Lumps, hair loss or weight loss
- Not eating or hoarding less than usual
Frequently asked questions
- Are hamsters good pets for young children?
- Often not: they are nocturnal, easily dropped and may bite when woken. An adult should take responsibility for care.
- Do hamsters need exercise balls?
- Welfare charities advise against them; they restrict airflow and the hamster cannot stop or escape.
References
- Hamster care — RSPCA
- Hamster welfare needs — PDSA