What housing and bedding do pocket pets need?
Hamsters, gerbils, rats, and mice each need secure housing with enough space to move, explore, and (for burrowing species like hamsters and gerbils) dig. Cedar and pine shavings should be avoided, since the aromatic oils they release can irritate the respiratory tract and skin over time; paper-based or aspen bedding are safer alternatives. Bedding should be deep enough to allow natural digging behavior in species that burrow and changed regularly to maintain good air quality in the enclosure.
What do they eat?
Diet needs vary by species. Hamsters and gerbils generally do well on a formulated seed-and-pellet mix appropriate to the species, with small amounts of fresh vegetables. Rats and mice are omnivores and do best on a formulated lab-block or pellet diet designed for the species, which provides more balanced nutrition than a seed mix alone, supplemented with small amounts of fresh food. Fresh water should always be available, and portions should be modest, since small rodents can become overweight quickly on a diet too rich in fatty seeds or treats.
Why do they hide illness, and what signs need a vet visit?
As prey animals, hamsters, gerbils, rats, and mice instinctively mask signs of illness or weakness, which in the wild would make them a target for predators. This means visible illness often reflects a problem that has already been present for some time, and small pocket pets can decline rapidly once they do show signs. Changes in breathing (noisy, labored, or rapid breathing), new lumps or swellings, unexplained weight loss, reduced activity or lethargy, and reduced appetite are all signs that warrant a veterinary visit rather than a wait-and-see approach.
How should they be handled?
Regular, gentle handling from a young age helps most pocket pets become comfortable with people, though individual temperament varies. Supporting the body fully and avoiding sudden movements reduces stress and the risk of injury from a jump or fall, since these animals are small and can be easily hurt by a drop from even a short height.
Do they need company?
Social needs differ notably by species. Rats are highly social and generally do best housed with at least one same-sex companion, since a solitary rat can become stressed or depressed. Syrian hamsters are the opposite: they are solitary by nature and will often fight if housed together as adults, so they should be kept alone. Gerbils are typically social and often do well in same-sex pairs or small groups when introduced properly, while mice tend to do well in small same-sex groups: female mice generally group well, but adult males often fight and are usually housed singly or in an established pair. Matching housing arrangements to each species' natural social structure is an important part of their well-being.
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