C. aperea is a widely used item of food in rural Brazil and other parts of South America.    From Wordnik.com.  [15 Agouti] Reference

Three species of wild cavies (Cavia aperea, C. fulgida, and C. tschudii), close relatives of the guinea pig, are native to South America and are declining drastically.    From Wordnik.com.  [15 Agouti] Reference

Other mammals in the area are the vizcachas (Lagostomus maximus), the cuis pampeano (Cavia aperea), the nutria (Myocastur coypus), and the opossum (Didelphis albiventris).    From Wordnik.com.  [Semi-arid Pampas] Reference

Cavia aperea went locally extinct, and three other rodent species declined significantly: the South American giant rat.    From Wordnik.com.  [Mongabay.com News] Reference

In guinea pigs (Cavia aperea f. porcellus) mothers wean larger litters later than small ones, but it is unknown whether this difference depends on processes induced during pregnancy or is influenced post-natally by the number of pups present.    From Wordnik.com.  [BioMed Central - Latest articles] Reference

Behold the domesticated guinea pig (Cavia aperea f. porcellus.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference

Their wild ancestors, the wild cavy (cavia aperea.    From Wordnik.com.  [ScienceBlogs Channel : Life Science] Reference