Caviidae
Caviidae, the cavy family, is composed of rodents native to South America and includes the domestic guinea pig, wild cavies, and the largest living rodent, the capybara. They are found across South America in open areas from moist savanna to thorn forests or scrub desert. This family of rodents has fewer members than most other rodent families, with 19 species in 6 genera in 3 subfamilies.
Auckland Zoo
In April 2015 Auckland Zoo got two young female capybara (world's largest rodent) from Adelaide Zoo. Their names are Rosita and Consuela. They share an enclosure with the squirrel monkeys in The Rainforest exhibit.