Quick answer
Guinea Pigs live in Domestic worldwide; wild cavies in South America. Within that range they pick microhabitats that supply cover, food (Herbivore — hay, fresh vegetables, and guinea-pig pellets with vitamin C), water, and breeding sites — and they disappear where those features are lost.
Key takeaway
Guinea Pigs live in Domestic worldwide; wild cavies in South America. Within that range they pick microhabitats that supply cover, food (Herbivore — hay, fresh vegetables, and guinea-pig pellets with vitamin C), water, and breeding sites — and they disappear where those features are lost.
Guinea Pig native habitat
Guinea Pigs (Cavia porcellus) are tied to Domestic worldwide; wild cavies in South America. Look for sites that match their diet (Herbivore — hay, fresh vegetables, and guinea-pig pellets with vitamin C) and movement style; seasonal rains or prey shifts can expand or shrink local occupancy.
Microhabitats guinea pigs prefer
Cover for resting, access to food, and safe breeding sites decide day-to-day use. Edge habitats can help adaptable populations but fail specialists that need continuous wild land.
How people change Guinea Pig range
Farms, suburbs, and roads create opportunity for some individuals and lethal risk for others. Fragmentation without corridors isolates guinea pig groups and raises local extinction risk.
Conservation geography for guinea pigs
Status in our guides: <strong>Domesticated</strong>. Protecting linked habitat often beats a single fenced reserve. Watch from a distance and never feed wild guinea pigs.
Diet and scurvy risk
Like humans, guinea pigs cannot synthesise vitamin C and need daily fresh vegetables such as bell pepper and leafy greens alongside unlimited timothy hay and fortified pellets. Teeth grow continuously and are worn down by chewing hay and fibrous food. Without vitamin C they develop scurvy, which is fatal if untreated.
Andean domestication
Indigenous peoples of the Andes domesticated guinea pigs thousands of years ago for food and ritual use. Today they are beloved pets in Europe and the Americas, with dozens of coat varieties from smooth American to long-haired Peruvians.
Sources
Guinea Pig FAQs
Where do guinea pigs live?
Guinea Pigs live in Domestic worldwide; wild cavies in South America. Within that range they pick microhabitats that supply cover, food (Herbivore — hay, fresh vegetables, and guinea-pig pellets with vitamin C), water, and breeding sites — and they disappear where those features are lost.
What is the scientific name of the guinea pig?
Cavia porcellus — used in research and conservation listings for guinea pigs.
What do guinea pigs eat?
Guinea Pigs eat hay, fresh vegetables, and guinea-pig pellets with vitamin C, with seasonal and regional variation in Domestic worldwide; wild cavies in South America.
What is the conservation status of guinea pigs?
Listed in our guides as Domesticated. Check the IUCN Red List and national assessments for the latest formal category.