Chinchillas have highly specialized digestive systems that require a strict high-fiber, low-fat diet to stay healthy. Feeding the wrong foods can quickly lead to life-threatening conditions like bloat or dental disease. Understanding exactly what chinchillas eat is essential for every owner who wants their pet to thrive.
A chinchilla’s diet in the wild consists mainly of tough, fibrous grasses and leaves. As pets, their nutritional needs remain the same: unlimited grass hay, a small amount of plain pellets, and occasional safe treats. Fresh water must always be available.
The Foundation: Unlimited Grass Hay
Grass hay, such as timothy, orchard grass, or meadow hay, should make up about 80 to 90 percent of a chinchilla’s daily intake. Hay provides the essential long-strand fiber that keeps their digestive tract moving and wears down their constantly growing teeth. Offer a fresh supply of hay at all times, and toss any soiled or uneaten hay daily.
Alfalfa hay is too rich in calcium and protein for adult chinchillas; it should only be given to growing juveniles or pregnant females in limited amounts. Stick to grass hay for everyday feeding.
Pellets: A Measured Supplement
Plain, high-fiber chinchilla pellets (not a mix with seeds or dried fruit) can be given in small daily portions. A typical serving is about one to two tablespoons per day per chinchilla. Pellets should be timothy-based with at least 18 percent fiber and minimal protein and fat.
Avoid pellets with added nuts, seeds, corn, or dried fruit, as these can cause obesity and digestive upset. If your chinchilla finishes its pellets quickly, it may be eating too many; reduce the portion accordingly.
Safe Treats and Foods to Avoid
Chinchillas can have very small amounts of safe treats a few times per week. Acceptable options include a single rose hip, one or two dried hibiscus flowers, a small piece of plain shredded wheat, or a few leaves of fresh herbs like cilantro or basil. Treats should never exceed one teaspoon per day.
Many foods that seem healthy are dangerous for chinchillas. Never feed fresh fruits or vegetables, as their high sugar and water content can cause diarrhea and bloat. Also avoid nuts, seeds, grains, avocado, chocolate, caffeine, and any human processed foods. Even small amounts of these items can be fatal.