Oryzomys bolivaris

Oryzomys bolivaris is a species of rice rat, a nocturnal rodent found from the United States southward through tropical and subtropical South America. These rodents typically have soft, tawny to grayish-brown fur on their upperparts and paler underparts, with sparsely haired tails.1

Oryzomys bolivaris is specifically found in very wet tropical forests of the Trans-Andean region. While many rice rat species inhabit various environments like coastal marshes, forest clearings, and wet meadows, O. bolivaris is adapted to these specific humid forest conditions. The genus Oryzomys includes about 36 species, with varying body sizes and tail lengths.1