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.
Taxonomy of pigmy rice rats
genus Oligoryzomys Bangs, 1900 (Rodentia, Sigmodontinae) of the Brazilian cerrado, with the description of two new species.
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.