''Cavia guianae'' is a guinea pig

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

from

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. It is found in southern

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, and portions of northern

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. Some biologists believe it to be a feral offshoot of the domestic guinea pig, ''Cavia porcellus''; others subsume it under the wild cavy, '' Cavia aperea''. Molecular data collected show there is little genetic differentiation in ''C.a. guianae'' known to be a lowland locality in comparison to ''C. anolaimae'' which are predominantly highland populations.

References

Sources * Woods C. A. and C. W. Kilpatrick. 2005. Hystricognathi pp. 1538-1600 ''in'' D. E. Wilson and M. A. Reeder, eds. ''Mammal Species of the World'', 3rd edition, p. 1553. * *Dunnum, Jonathan L.; Salazar-Bravo, Jorge (2010–11). "Molecular systematics, taxonomy and biogeography of the genus Cavia (Rodentia: Caviidae): Systematics of Cavia". ''Journal of Zoological Systematics and Evolutionary Research''. 48 (4): 376–388. doi:10.1111/j.1439-0469.2009.00561.x. Citations Guinea pigs Fauna of northern South America Rodents of South America Mammals described in 1901 Taxa named by Oldfield Thomas {{rodent-stub