Monito del monte (translates to "little monkey of the bush")
Chumaihuén (in Mapudungun)
Colocolo opossum
Marsupial native only to southwestern South America (Argentina and Chile)
Nocturnal and arboreal
Eats primarily insects and other small invertebrates, supplemented with fruit
Lives in the dense forests of highland Argentina and Chile, mainly in trees, where they construct spherical nests of water-resistant colihue leaves
Body length 8-13 cm, tail 9013 cm
Somewhat prehensile tail