Montane Guinea Pig (Cavia tschudii) lives in andean mountain grasslands across South America. It feeds on grass and leaves. Its conservation status is Least Concern.
Fascinating facts about the Montane Guinea Pig
- The montane guinea pig is the likely main ancestor of the pet guinea pig we keep in homes, and the domestic form is actually a hybrid that also borrowed genes from other Cavia species. This means the fluffy companions on kitchen counters carry the DNA of wild Andes rodents that once darted among rocks at high altitude.
- Measuring just 247 mm (9.7 in) from nose to tail, the montane guinea pig is about the length of a standard school ruler, yet it thrives at elevations between 2,000 and 3,800 metres (6,600 to 12,500 ft), roughly the height of three to six Eiffel Towers stacked.
- A female montane guinea pig can become pregnant in just over two months, with a gestation lasting around 63 days, roughly the time it takes to grow a pumpkin from seed to harvest. Each litter holds between one and four babies, and the pups are weaned and independent after only 2 months, about the age most children start school. Such rapid turnover lets populations bounce back quickly after harsh weather, but also means they can expand fast if their habitat stays safe, highlighting the need for steady protection of their mountain homes.
- The fur of the montane guinea pig changes like a painter's palette across its range: in Peru the back is dark reddish-brown mixed with black and the belly dark buffy-grey; in Chile the dorsal side turns pale agouti brown with lighter underparts; and in Bolivia the back becomes agouti olive while the belly is creamy-white or white.
- Scientists first named the wild Peruvian guinea pig in 1835 when E. T. Bennett called it Cavia cutleri, but J. J. Tschudi's 1845 work split that name into two distinct animals, one of which was later linked to the domestic guinea pig. In 1867, L. Fitzinger finally gave the truly wild form its own species name, Cavia tschudii.
Sources
Every fact above was checked against these pages, and kept only where one of them states it.
At a glance
RangeSouth America
HabitatAndean mountain grasslands
DietGrass and leaves
About the Montane Guinea Pig
In the lush, sun-drenched meadows of the Andes, the Montane Guinea Pig roams with an air of quiet confidence, its soft fur fluffed against the chill of the high-altitude air as it nibbles on the sweet grasses that sustain it. With a gentle rustle of leaves, it darts through the undergrowth, its large eyes watchful for the predators that lurk in the rocky outcrops, its very existence a testament to the resilience of life in this harsh yet beautiful landscape. As it moves, the warm light of the sun catches its fur, illuminating the intricate patterns that blend seamlessly into the surroundings, a masterful disguise that allows this unassuming creature to thrive in its mountain stronghold.
Hear the Montane Guinea Pig, and 4,400+ more
Real recorded sounds, 11 nature games and a free Daily 5, 1v1 quiz duels, conservation wins and a safe Kids mode. Free on Feravox.
