Capybaras have a herbivorous diet that changes slightly as they grow from infancy to adulthood. Here’s a breakdown of their diet at different life stages:
Newborn (0–2 Weeks)
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Mother’s Milk – Baby capybaras (pups) nurse from their mother for the first few weeks.
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Early Exploration – Even while nursing, they start nibbling on grass within the first few days to help their digestive system develop.
Juvenile (2 Weeks – 3 Months)
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Gradual Weaning – They slowly transition from milk to solid food, typically weaned around 3–4 months.
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Grass & Hay – Fresh grass and high-fiber hay (like timothy hay or Bermuda grass) make up most of their diet.
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Pellets & Supplements – In captivity, capybara breeders may provide small amounts of high-fiber guinea pig or rabbit pellets enriched with vitamin C.
Sub-Adult (3–12 Months)
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Full Herbivore Diet – They now fully rely on grass, aquatic plants, hay, and occasional fruits/vegetables.
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Coprophagy (Eating Their Own Feces) – This helps them digest fiber better and absorb more nutrients.
Adult (1 Year & Older)
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High-Fiber Diet – Mature capybaras eat mostly grasses, hay, and aquatic plants.
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Occasional Fruits & Vegetables – In small amounts, they can have carrots, squash, apples, melons, and sweet potatoes.
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Avoid Sugary & Starchy Foods – Too many fruits or grains can cause digestive issues.
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Constant Access to Water – Since they are semi-aquatic animals, they need fresh water for drinking and soaking.