# Small Pet Supplies Checklist A complete small pet supplies checklist has six core categories: a properly sized enclosure, safe bedding, species-appropriate food and water equipment, exercise and enrichment gear, grooming and cleaning tools, and health monitoring supplies. The critical detail most owners miss is that many products sold for small pets are unsafe. In a large German study that physically examined products in 50 pet shops and 13 home improvement and garden centers, most assessed items were rated unsuitable for pet husbandry on animal welfare grounds, including 82.7 percent of 208 cage models and 86.1 percent of 101 running wheel models [1]. Buying for a rabbit, guinea pig, hamster, gerbil, rat, or chinchilla is therefore less about finding the right brand and more about applying the right selection criteria before you spend money. This article provides the complete small pet supplies checklist, explains why each item matters, gives you selection criteria you can apply to any product on any shelf, and covers the mistakes and health warning signs that matter most for small mammals. ## At a Glance: The Complete Small Pet Supplies Checklist Use this table as your master template. Tick each category before you bring your pet home. | Category | Core items | Selection criteria | |--|--|--| | Enclosure | Cage, pen, or habitat with a solid floor | Largest size you can accommodate, solid bottom, secure latches, good ventilation | | Bedding | Paper-based or aspen substrate | Unscented, dust-controlled, no aromatic woods, adequate depth for digging species | | Food and water | Hay, species-appropriate pellets, fresh produce, hay rack, heavy ceramic dish or bottle | Rack that does not trap limbs, spill-proof water source, food storage containers | | Exercise and enrichment | Running wheel (dwarf hamsters, mice), tunnels, chew items, hideouts, playpen | Solid running surface, correctly sized diameter, no exercise balls, no wire floors | | Handling and travel | Carrier, small towels, transport-safe container | Escape-proof, ventilated, large enough to stand and turn | | Grooming and cleaning | Brush, nail clippers, unscented cleaner, disinfectant labeled safe for pet habitats | Species-appropriate tools, fragrance-free products | | Health monitoring | Digital scale, small notebook or app, first-contact supplies for your exotics vet | Scale that weighs in small increments, documented weight trend over time | Two categories from that table deserve special caution. Exercise balls, harnesses and leashes, tube systems, and hamster bedding were all identified as unsuitable in the retail evaluation cited above, meaning these products are common, marketed for small pets, and still problematic on welfare grounds [1]. Sections below explain what to buy instead. ## Why a Checklist Matters for Small Mammals Small mammals are prey species. Rabbits, guinea pigs, hamsters, and similar animals hide weakness by instinct, so problems caused by poor equipment often go unnoticed until the animal is seriously ill. A checklist also protects you from a retail environment that is actively misleading. The German welfare assessment, which examined products across pet shops, garden centers, and online retailers, found clear shortcomings in product labeling. Relevant information such as dimensions was sometimes missing, and where it was present it was often too general to judge suitability [1]. In other words, you cannot rely on the packaging to tell you whether a cage, wheel, or hay rack is appropriate. You need criteria of your own. There is a second reason the checklist matters. Small pet mammals now live long enough, and are kept in enough numbers, that owners routinely face diagnosed health conditions rather than just husbandry basics. A retrospective study of 256 skin and subcutaneous tumor cases in pet small mammals, including guinea pigs, rabbits, hamsters, gerbils, degus, chinchillas, ferrets, rats, and African pygmy hedgehogs, found that malignant tumors predominated in several species, including rats, African pygmy hedgehogs, degus, and chinchillas [2]. The practical takeaway for supply planning is that a carrier, a scale, and a relationship with an exotics veterinarian belong on every checklist from day one, not after the first lump appears. ## Housing: Choosing a Cage or Enclosure The enclosure is the single most consequential purchase. It determines how much movement your pet gets every hour of every day, and it is the category with the worst retail track record. Of 208 cage models assessed, 82.7 percent were rated unsuitable for pet husbandry [1]. ### Selection criteria - **Floor space first.** Small mammals need room to move, stretch, and perform natural behaviors. Enclosure guidance from organizations such as the Rabbit Welfare Association & Fund and House Rabbit Society consistently emphasizes space for exercise as a core welfare requirement for rabbits. Ask your veterinarian or a species-specific rescue for the current minimum recommended footprint for your species before you buy, because recommendations have increased substantially over the past decade. - **Solid flooring.** Wire floors injure feet. Rabbits and guinea pigs are particularly prone to pressure sores on the hocks when kept on abrasive or wire surfaces. Choose a solid floor with appropriate soft bedding. - **Ventilation.** Glass tanks with small lids trap ammonia from urine and hold heat. Wire-sided cages or well-ventilated pens are generally safer for most small mammals. Discuss species exceptions with your veterinarian, because some desert species have different requirements. - **Escape-proof construction and secure latches.** Hamsters and gerbils are accomplished escape artists. Test every latch before purchase. - **Height for digging species.** Deep bedding for burrowing is part of natural behavior for hamsters and gerbils. This affects enclosure choice, because deep substrate requires tall walls or a tank-style setup with ventilation. ### What to avoid Avoid stacked small "starter kit" cages marketed with a specific pet, compact multi-level hamster cages with narrow plastic tubes, and any enclosure whose advertised dimensions you cannot verify. Because product declarations are often incomplete or too vague, measure the interior floor area yourself in the store or request exact internal dimensions from the seller before ordering online [1]. ## Bedding and Substrate Bedding looks like the simplest item on any small pet supplies checklist, and it is where well-meaning owners most often cause harm. ### What to look for - Paper-based bedding or aspen shavings as the default choices for most species. - Depth sufficient for the species. Burrowing species such as hamsters and gerbils need enough substrate to dig tunnels. - Unscented products. Fragrance additives are unnecessary and add respiratory irritation risk in small, sensitive airways. ### What to avoid Commercial hamster bedding was among the product categories rated unsuitable on animal welfare grounds in the retail evaluation [1]. Softwood beddings such as cedar, and pine products that retain aromatic oils, have long been flagged in exotic animal medicine as respiratory and skin irritants, a framing you will also find in the Merck Veterinary Manual's exotic animal resources. When in doubt, choose paper or aspen and ask your exotics veterinarian to confirm the correct substrate depth for your species. ## Food and Water Supplies Nutrition equipment fails in two ways: wrong food storage and delivery, and food presentation that injures or frustrates the animal. ### Hay, pellets, and fresh foods - **Hay is the foundation for rabbits and guinea pigs.** Both species are hindgut fermenters whose digestive systems and teeth are built around continuous forage. A constant supply of grass hay is the baseline recommendation in any credible rabbit care checklist or guinea pig care guide, a position echoed by the Rabbit Welfare Association & Fund and House Rabbit Society for rabbits and by exotic animal veterinarians for guinea pigs. - **Guinea pigs need a vitamin C source.** Unlike rabbits, guinea pigs cannot synthesize vitamin C and must obtain it from diet. Discuss the correct source and amount with your veterinarian rather than relying on additive pellets alone. - **Species-appropriate pellets in measured amounts.** Pellets are a supplement to hay for herbivores, not the main event. For hamsters, gerbils, rats, and mice, choose a complete lab-verified block or species pellet rather than loose seed mixes that allow selective feeding. - **Airtight storage containers** to keep hay and pellets dry and pest-free. ### Hay racks Hay racks keep forage off the floor, but design matters. Of 72 hay rack models assessed, 55.6 percent were rated unsuitable [1]. The typical failure mode is narrow spacing or sharp edges that trap limbs, teeth, or heads. Choose a rack with wide openings, no sharp welded points, and a mounting position that cannot pinch. If you cannot find a safe rack, offering hay directly on a clean floor area of the enclosure is a reasonable alternative used by many rabbit and guinea pig owners. ### Water - Heavy ceramic dishes are stable and easy to clean and let you monitor intake easily. - Water bottles work well for many cages but need daily checking, because bottles can jam or leak and empty unnoticed. - Offer water the way your pet uses it most naturally, and check supply at least twice daily. Rabbits and guinea pigs drinking from a bottle should be watched for the first days to confirm they have learned the mechanism. ## Exercise and Enrichment Equipment This is where retail products fail small pets most dramatically. The welfare evaluation found that 86.1 percent of 101 assessed running wheel models were unsuitable, and that exercise balls, harnesses and leashes, and tube systems also failed welfare assessment across the sampled retailers [1]. ### Running wheels Wheels are appropriate for species that naturally run long distances, principally dwarf hamsters, mice, and rats. Selection criteria: - **Solid running surface.** Never a runged or mesh wheel, which can catch limbs and injure feet and tails. - **Correct diameter.** The animal's back should remain straight while running, not arched upward. As a practical check in the store, the wheel should clearly allow your pet's full body length with room to spare. Confirm the diameter with your veterinarian or species resources before purchase. - **Stable, quiet mount.** A wheel that rocks or slips will go unused and can pinch. ### Exercise balls Skip them entirely. Exercise balls were rated unsuitable on welfare grounds in the retail assessment [1]. Veterinarians and welfare organizations criticize them because the animal cannot control its environment inside a sealed sphere, cannot thermoregulate well, receives no meaningful forage or choice-based enrichment, and risks collisions and falls down stairs. A floortime playpen with tunnels, boxes, and scatter feeding is the better substitute for hamsters and for guinea pigs and rabbits. ### Harnesses and leashes Harnesses and leashes marketed for small mammals were also among the unsuitable categories in the retail study [1]. Rabbits and most small rodents can injure themselves panicking against a lead, and their fragile skeletons are poorly suited to restraint devices. For outdoor time, use a secure playpen on safe ground instead, and discuss any outdoor exposure with your veterinarian. ### Tunnels and tube systems Fixed tube systems, especially the narrow plastic tubes sold with hamster cages, restrict movement, are difficult to clean, and cannot be resized as the animal grows. Provide open-ended tunnels, cardboard boxes, and chew-safe hideouts that the animal can enter and exit freely in both directions, and rearrange regularly for novelty. ### Chew items Rabbits, guinea pigs, chinchillas, and degus have continuously growing teeth and need appropriate chew materials. Safe options include untreated wood chews sold for the specific species, hay-based toys, and cardboard. Avoid painted, glued, or dyed items and plastic toys that splinter. ## Grooming, Cleaning, and Health Monitoring Supplies - **Brush appropriate to coat type.** Long-haired rabbits and guinea pigs need daily grooming. Short-coated animals need less but still benefit from routine handling practice. - **Small nail clippers designed for small animals.** Overgrown nails alter gait and contribute to foot problems. If you are not confident trimming, have your veterinarian demonstrate. - **Unscented cleaning products and a pet-safe disinfectant** for routine cage hygiene. Rinse thoroughly and dry before returning the animal. - **A digital scale weighing in small increments.** Weekly weight records are among the most valuable early-detection tools in small mammal medicine, because weight loss often appears before other signs. This is the single most under-purchased item on the checklist. - **A small notebook or phone log** for weight, appetite, and droppings. Trends matter more than single readings. - **A secure, ventilated carrier** for veterinary visits. Small mammals should always travel in an escape-proof container, never loose in a car or box. ## Species-Specific Additions The complete small pet supplies checklist above covers shared fundamentals. Add species-specific items before bringing your animal home. ### Rabbit care checklist additions - An exercise pen or fully rabbit-proofed room, because rabbits need daily free exercise outside any enclosure. - Multiple litter boxes with paper-based litter, never clumping cat litter. - Hay fed in quantity, ideally from a safe rack or floor placement. - Hideouts large enough for full stretching, and chew toys rotated regularly. - Grooming tools suited to the coat, since rabbits groom themselves and ingested fur matters. ### Guinea pig care checklist additions - A companion, where appropriate. Guinea pigs are social herd animals, and most guinea pig care guides and exotic veterinarians recommend housing compatible pairs or groups rather than single animals. Discuss introductions with your veterinarian or a rescue. - A daily vitamin C source, as described above. - Hideouts and open floor space, since guinea pigs are prey animals that run to cover rather than climb. ### Hamster and gerbil additions - Deep substrate for burrowing. - A solid-surface wheel of appropriate diameter, for species that run. - Multiple hideouts and scatter feeding opportunities. ### Rats, chinchillas, degus, and others Rats need vertical enrichment and social housing. Chinchillas need dust bathing materials appropriate to the species and cool ambient temperatures, and they are among the species in which malignant skin tumors predominated in the case series cited above, which makes routine hands-on examination part of good husbandry [2]. For any less common species, confirm enclosure and diet details with an exotics veterinarian before purchase rather than relying on pet shop labels. ## How to Use This Checklist Format ![Six steps from writing down species needs to checking dimensions, buying health items, booking a wellness exam, and reviewing the list twice a year.](/article-images/illustrations/small-pet-supplies-checklist-checklist-setup.webp) Treat this article as a small pet supplies checklist template rather than a shopping list to copy blindly. A practical format looks like this. 1. **Confirm your species and its specific requirements.** Write down the species, age, and whether you will keep one animal or a compatible group. 2. **For each category, write the selection criteria before shopping.** For example, under enclosure, note the floor area your veterinarian or a species organization recommends. 3. **Verify dimensions in writing.** Because retail labeling is often incomplete or vague, request exact internal dimensions before buying and compare them to your written criteria [1]. 4. **Buy the health monitoring items on day one.** The scale, log, and carrier are not optional accessories. 5. **Schedule a wellness visit within the first week.** A baseline exam lets your exotics veterinarian check teeth, weight, and body condition and confirm your setup. 6. **Review the checklist every six months.** Replace worn equipment, resize wheels and harnesses as young animals grow, and refresh enrichment. This is a workable small pet supplies checklist example you can adapt to any species in the small mammal group, and the same format works for a guinea pig care guide, a rabbit care checklist, or a hamster setup. ## Common Mistakes Owners Make - **Buying the marketed starter kit.** Small cages bundled with a pet purchase are among the cage models that fail welfare assessment [1]. Budget for the enclosure you actually need. - **Trusting product labels.** The retail study found missing dimensions and overly general product information [1]. Measure and verify. - **Using exercise balls or leashes on small mammals.** Both categories failed welfare evaluation [1]. Use playpens and free exercise instead. - **Choosing aromatic or dusty bedding.** Respiratory signs in small mammals are frequently linked to the environment. Ask your veterinarian to confirm your substrate choice. - **Feeding a pellet-only or seed-only diet.** Herbivores need continuous hay. Rodents fed loose mixes often develop nutritional imbalance through selective eating. - **Skipping the scale.** Weight loss is one of the earliest detectable changes in small mammals, and without a scale you will miss it. - **Assuming pet shop staff know the species.** Knowledge varies widely. Cross-check with an exotics veterinarian and species welfare organizations. - **Waiting for symptoms before finding a vet.** Not all veterinarians treat exotics. Locate one before you need one. ## Troubleshooting Common Problems **My hamster ignores the wheel.** Check diameter and surface. An arched posture or a runged surface makes running uncomfortable. Confirm the size with your veterinarian and try a larger solid wheel. **My rabbit tips the hay rack or gets stuck near it.** Rack design failures were common in welfare assessments [1]. Remove the rack and offer hay loose on a clean area or in a wide-mesh design verified by measurement. **My guinea pig stops eating its vegetables but eats hay.** Sudden preferences and partial appetite changes still warrant a call to your exotics veterinarian, because reduced food intake in guinea pigs can progress quickly. Never wait more than a short period with reduced eating before seeking advice. **My pet escapes or chews the cage bars.** Repeated bar chewing can indicate an enclosure that is too small or too barren rather than a behavioral flaw. Increase space, add deep bedding, forage opportunities, and daily exercise, and ask your vet to check the teeth. **My pet's weight is dropping despite normal appetite.** Bring your weight log to your veterinarian. Dental disease and internal conditions are common in small mammals, and the trend record you built will shorten the diagnostic path. ## Welfare and Safety Points Small mammals are prey animals whose default response to pain and fear is stillness and hiding. Welfare-focused design of their environment means giving them choices: places to hide, room to move, substrate to dig, materials to chew, companionship where the species needs it, and predictable daily routines. The retail environment will not do this filtering for you. Across multiple product categories sold specifically for small pets, welfare assessment found most products unsuitable, including most wheels, most cages, most hay racks, and essentially the whole exercise ball, leash, tube, and bedding categories examined [1]. The checklist criteria in this article are your substitute for trustworthy labeling. ## Limitations and When to Contact a Veterinarian Individual animals vary, and this article cannot replace an examination by a veterinarian experienced with exotic small mammals. Enclosure dimensions, substrate depth, and dietary specifics differ by species, age, and individual health status, so confirm them with your own exotics veterinarian. Contact a veterinarian urgently, the same day or as an emergency, if your small pet shows any of the following: - Refusing food or producing no or very few droppings for more than a few hours - Labored breathing, open-mouth breathing, or audible respiratory noise - Bleeding, a visible wound, or a limb caught or injured - Sudden lethargy, collapse, or a hunched, immobile posture - A lump or mass anywhere on the body. Cutaneous tumors are common in pet small mammals, and malignancy is frequent in several species, so every skin lump should be sampled for diagnosis rather than watched at home [2] - Weight loss identified on your scale, or any sudden change in drinking or urination Schedule a non-urgent visit for overgrown teeth or nails, persistent itching or hair loss, chronic soft stools, behavior changes, or when you are unsure whether your equipment setup meets current welfare standards. Ask your veterinarian for a full husbandry review at the first wellness exam and annually after that. This article is educational and is not a substitute for veterinary diagnosis or treatment. ## Frequently Asked Questions ### What is a small pet supplies checklist? A small pet supplies checklist is a structured list of the six supply categories a small mammal owner must have in place before bringing the animal home: enclosure, bedding, food and water equipment, exercise and enrichment gear, grooming and cleaning tools, and health monitoring supplies such as a scale and carrier. Using a checklist matters because many retail products for small pets fail welfare standards, so each item needs selection criteria rather than impulse purchase. ### What size enclosure does my small pet need? There is no single size that fits all species, and recommendations have increased as welfare science has evolved, so confirm the current minimum floor area for your species with an exotics veterinarian or a species welfare organization. As selection criteria, buy the largest enclosure you can accommodate, insist on a solid floor, verify internal dimensions in writing rather than trusting the label, and remember that daily exercise outside the enclosure is required for rabbits and guinea pigs regardless of cage size. ### Are exercise balls safe for hamsters? No. Exercise balls were rated unsuitable for pet husbandry on animal welfare grounds in a large retail assessment of small mammal products [1]. Inside a sealed ball the animal cannot control its environment, exits and temperature are limited, and collisions and falls are common. A secure playpen with tunnels, hideouts, and scattered food provides better exercise with less risk. ### What bedding should I avoid for small pets? Avoid aromatic softwoods such as cedar, dusty products, and scented bedding of any kind. Commercial hamster beddings were among the product categories rated unsuitable in the retail welfare evaluation [1]. Paper-based bedding and aspen are the default safe choices for most species, and your exotics veterinarian can confirm the correct depth, which is substantial for burrowing species such as hamsters and gerbils. ### What supplies do I need before bringing home a rabbit? Before homecoming, you need a large enclosure or pen with a solid floor, a constant grass hay supply with a safe feeder, species-appropriate pellets, paper-based litter and a litter box, hideouts and chew toys, grooming tools, a carrier, a digital scale, and a rabbit-proofed exercise area for daily free movement. This forms the core of any sound rabbit care checklist, and a wellness exam with an exotics veterinarian in the first week should be booked in advance. ### Do guinea pigs need any special supplies? Yes. The two additions that most distinguish a guinea pig care guide from other checklists are a daily dietary vitamin C source, because guinea pigs cannot synthesize the vitamin themselves, and compatible companionship, since guinea pigs are social herd animals. They also need solid flooring to protect their feet, ample hay, and a spacious enclosure with hideouts. ### How often should I replace or refresh my small pet's supplies? Inspect equipment monthly and replace anything with sharp edges, cracked plastic, or damaged latches immediately. Refresh hay, pellets, and bedding on the schedule your veterinarian recommends for the product, rotate enrichment toys for novelty, and resize wheels and hides as a young animal grows. Deep-clean the enclosure on a routine schedule using fragrance-free products, and review the entire checklist at least twice a year. ### When should I take my small pet to the veterinarian? Seek same-day or emergency care for refusal to eat, absent droppings, labored breathing, bleeding, collapse, or a trapped limb. Book a prompt non-urgent visit for any lump or mass, because skin tumors are common in pet small mammals and malignancy rates are high in several species, so each lump should be sampled rather than observed [2]. Establish a relationship with an exotics veterinarian before problems arise, weigh your pet weekly, and bring your records to every visit. ## Further Reading - [THE INFLUENCE OF RAW MATERIAL SUPPLIES, PRODUCTION PROCESS AND EQUIPMENT MAINTENANCE ON PRODUCT QUALITY IN SMALL RED BRICK INDUSTRIES IN CILEGON CITY](https://doi.org/10.35508/jom.v18i1.16342) - [Status of risk-based approach and national framework for safe drinking water in small water supplies of the Nordic water sector](https://pubmed.ncbi.nlm.nih.gov/32956900/) - [Evaluation of DC/DC switching power regulation with small-scale integrated inductors for PET/MR](https://pubmed.ncbi.nlm.nih.gov/26956269/) ## Sources 1. [Evaluation of small mammal pet supplies offered in German retail under animal welfare aspects](https://pubmed.ncbi.nlm.nih.gov/35108305/) 2. [Cutaneous and Subcutaneous Tumours of Small Pet Mammals-Retrospective Study of 256 Cases (2014-2021)](https://pubmed.ncbi.nlm.nih.gov/35454212/)