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.
Great jerboa
The great jerboa ("Allactaga major") is a species of rodent in the family Dipodidae.
It is found in Kazakhstan, Russia, Turkmenistan, Ukraine and Uzbekistan. It mainly lives in deserts.
The great jerboa is the biggest of all species of jerboa. The length of its body is 180 mm and its tail is 260 mm.