Common yellow-toothed cavy levels in males. Testosterone levels and aggression levels in males are not correlated. In fact females avoid above average aggressive males. Common yellow-toothed cavy The common yellow-toothed cavy (Galea musteloides) is a species of rodent in the family Caviidae, closely related to the domesticated guinea pig. It is found in Argentina, Bolivia, Chile, and Peru. It's karyotype has 2n = 68 and FN = 136. "G. musteloides" is the most common and widely found member of "Galea", and is present at elevations ranging from 20 to 5000 m above sea level. It has yellow teeth. A recent study reveals there
Southern mountain cavy Southern mountain cavy The southern mountain cavy ("Microcavia australis") is a species of South American rodent in the family Caviidae. Southern mountain cavies are tailless rodents with short, speckled, greyish-yellow fur, fading to pale grey on the underparts. Adults measure around in total length and weigh between . They have large eyes surrounded by a prominent white ring, and small rounded ears. Females have four teats. Southern mountain cavies are largely restricted to Argentina, but may also be found in some neighbouring regions of Chile and Bolivia. They are found across almost the whole of western and southern Argentina, where