While endemic species of rice rats (Oryzomys bauri and Nesotyzomys narboroughii) most likely floated on raft like objects to the islands.    From Wordnik.com.  [Galápagos Islands xeric scrub] Reference

Endemic mammals include the squirrel Sciurus granatensis saltuensis, Oryzomys villosus, Thomasomys monochromus and the otter Lutra longicaudis annectens.    From Wordnik.com.  [Santa Marta montane forests] Reference

The 11th-hour reprieve came in response to a plea from the Schindler family to have Terri classified as a silver rice rat Oryzomys argentatus, considered an endangered species by the state of Florida and the USFWS.    From Wordnik.com.  [Terri Schiavo reclassified as endangered species? - BatesLine] Reference

Oryzomys talamancae, Proechimys semispinosus.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference

Rat, Marsh Rice Oryzomys palustris 70, 119, 132, 192.    From Wordnik.com.  [The Field Guide to Wildlife Habitats of the Eastern United States] Reference

A Paraguayan murid named Oryzomys wavrini was described in 1921, and was shown by Voss & Myers (1991) to be the same thing as Hesperomys simplex, the name currently used for this taxon being Pseudoryzomys simplex.    From Wordnik.com.  [Archive 2006-03-01] Reference

Endemism is also relatively high on the species level, and includes the following species: Marmosa lepida, Euphractus sexinctus, Sanguinus midas, Pithecia pithecia, Ateles paniscus, Sciurillus pusillus, Oryzomys delicatus, Neacomys guianae, Sphiggurus insidiosus, Echimys chryurus, Tonati schulzi, and Molossops neglectus.    From Wordnik.com.  [Guianan moist forests] Reference