rice rat

(redirected from Rice rats)
Also found in: Thesaurus, Medical.
Related to Rice rats: Oryzomys palustris

rice rat

n.
Any of various rats of the tribe Oryzomyini of tropical and subtropical North, Central, and South America, especially Oryzomys palustris, a wetland species that feeds on grasses and seeds, including cultivated rice.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

rice′ rat`


n.
a long-tailed rat, Oryzomys palustris, of rice fields in North and Central America.
[1880–85]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rice rat - hardy agile rat of grassy marshes of Mexico and the southeastern United Statesrice rat - hardy agile rat of grassy marshes of Mexico and the southeastern United States
rat - any of various long-tailed rodents similar to but larger than a mouse
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Enhanced alveolar bone loss in a model of non-invasive periodontitis in rice rats. Oral Dis 2012; 18(5): 459-68.
Both Norway rats and roof rats were found in all 10 areas, whereas hispid cotton rats (Sigmodon hispidus) were found in the natural area and the Lower 9th Ward, and rice rats (Oryzomys palustris) were found only in the natural area.
Cases of Hantavirus Pulmonary Syndrome (HPS), a life-threatening infection that can be transmitted by deer mice, white-footed mice, cotton rats and rice rats have been confirmed in the majority of our 50 states.
The National Key Deer Refuge is a large expanse of mostly undeveloped pinelands and provides critical habitat for hundreds of endemic and migratory species including 17 federally listed species like Key deer, lower Keys marsh rabbits and silver rice rats. Their range is limited to a small section of the Lower Keys with most of the population living on Big Pine Key.
An example of their occasional presence in non-forest habitat was documented in a 28-mo study in eastern Virginia (Green and Rose, 2009), in which four woodland voles were recorded along with 513 hispid cotton rats (Sigmodon hispidus), 135 meadow voles (Microtus pennsylvanicus), 129 eastern harvest mice (Reithrodontomys humulis), 45 house mice (Mus musculus), and 21 marsh rice rats (Oryzomys palustris) in an oldfield dominated by grasses and invading loblolly pine (Pinus taeda) trees.
Hispid cotton rats (Sigmodon hispidus) and rice rats (Oryzomys palustris) were dominant prey items, and their rank-order importance in owl diet was independent of seasonal fluctuations in abundance in the field.
Even small lava lizards take surreptitious nips, and at night rice rats and centipedes may join the feast until nothing but wickerlike fibers and a pile of spines remain.
Three rodent species are found in Laguna Palo Verde and environs, Parque Nacional Palo Verde, Guanacaste Province, Costa Rica--Coues' rice rats (Oryzomys couesi), hispid cotton rats (Sigmodon hispidus), and spiny pocket mice (Liomys salvini).
Unnaturally high water levels soak sparrow nests, make eggs vulnerable to rice rats and snakes, or otherwise halt nesting.
through June 13, she camped intermittently in rural areas and collected small mammals, including rice rats (Oryzomys sp.), for identification purposes.