The guenons are Old World monkeys of the genus Cercopithecus. Not all members of this genus have the word "guenon" in their common names; also, because of changes in scientific classification, some monkeys in other genera may have common names that include the word "guenon". Nonetheless, the use of the term guenon for monkeys of this genus is widely accepted.
Leopardus is a genus comprising eight species of small cats native to the Americas. This genus is considered the oldest branch of a genetic lineage of small cats in the Americas whose common ancestor crossed the Bering land bridge from Asia to North America in the late Miocene.
Darwin's rhea or the lesser rhea is a large flightless bird, the smaller of the two extant species of rheas. It is found in the Altiplano and Patagonia in South America.
The gray leaf-eared mouse is a rodent species from South America. It is found in Argentina, Bolivia, Brazil and Paraguay; its habitat includes the Gran Chaco.
The Pampas cat is a small wild cat native to South America. It is listed as Near Threatened on the IUCN Red List as habitat conversion and destruction may cause the population to decline in the future.
The Patagonian chinchilla mouse is a species of rodent in the family Cricetidae. It was first described by George Robert Waterhouse in 1839. It is found in Tierra del Fuego and neighboring areas of southernmost Argentina and Chile.
Oligoryzomys brendae, also known as Brenda's colilargo, is a South American species of rodent in the genus Oligoryzomys. It is found only in Tucumán Province in northwestern Argentina, but its taxonomic status requires revision.
The Cochabamba mountain finch is a species of bird in the family Thraupidae. It is endemic to shrubby woodland in the Andes of Bolivia. Together with the closely related Tucumán mountain finch, it is placed in the genus Poospiza. It is threatened by habitat loss.
