Guinea pig
Cavia
Living individuals or members of this group exist today. This does not mean they are safe from extinction.
Guinea pigs are social rodents kept by people. This account focuses on the domestic guinea pig (Cavia porcellus), rather than every member of the genus Cavia.

Representative species: Cavia porcellus.
At a glance
- Location
- Domestic guinea pigs have South American origins and are now kept in many countries. Their domestic distribution should not be presented as the wild range of other cavies.
- Habitat
- Towns and cities
- Diet
- Herbivore
- Food
- Grasses, hay and other plant material provide food.
Classification
- Common name
- Guinea pig
- Browse group
- Mammals
- Scientific name or taxon
- Cavia
- Source classification
- Mammalia
Three things to know
- It has no visible tail.
- Its incisors keep growing.
- It is a social rodent.
Habitat and range
Domestic guinea pigs have South American origins and are now kept in many countries. Their domestic distribution should not be presented as the wild range of other cavies.
Appearance and adaptations
A compact body, short legs and rounded ears give it a distinctive shape. Domestic animals vary in coat colour and texture.
Diet and behaviour
Grasses, hay and other plant material provide food. Individuals spend much of their active time feeding, grooming and exploring. Social contact is important, although competition and dominance interactions can occur.
Sources
- Animal Diversity Web: Cavia porcellus
- A–Z Animals: Guinea pig · Directory entry
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