Akademik

hardy agile rat of grassy marshes of Mexico and the southeastern United States

: any of various cricetid rats (genus Oryzomys) abundant in moist or swampy areas from New Jersey to Venezuela; especially : a rodent (O. palustris) of the southeastern United States that greatly resembles the Norway rat

any rat of the genus Oryzomys, having an exceptionally long tail, esp. O. palustris, inhabiting rice fields and marshes of the southern U.S., Mexico, and Central America.

[1880-85]

rice rat,

a gray or brownish rat of the southern United States and Mexico, found especially in wet, grassy areas.

n. a nocturnal rat that typically lives in marshy or damp areas, native to America, the Caribbean, and the Galapagos Islands. ● Oryzomys and other genera, family Muridae: numerous species