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.
Fauna of Venezuela
Notable mammals include the giant anteater, jaguar, howler monkey, and the capybara, the world's largest rodent. More than half of Venezuelan avian and mammalian species are found in the Amazonian forests south of the Orinoco.