Norway rat

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Norway rat

n.

Norway rat

see brown rat.
References in periodicals archive ?
Reproductive activity revealed that the males were recorded reproductively active throughout the year while more than 50% specimens of females were recorded inactive throughout the year; yet lactating and pregnant females, and scars in the oviduct were recorded throughout the year indicating that Norway rat reproduces the year around in the urban environment of Rawalpindi, Pakistan.
Predation on hatchling and juvenile Diamondback Terrapins (Malaclemys terrapin) by the Norway Rat (Rattus norvegicus).
Object retrieval by Norway rats as a framework for preference and choice.
Effects of Prenatal Exposure to Perfluorooctanes on Open Field Tests in the Norway Rat (Rattus norvegicus).
Bubonic plague is more closely associated with roof rats (Rattus rattus) than it is with Norway rats.
Brown Norway rats are especially susceptible to the immune effects of HCB.
In New York City, there are over 8 million humans and over 28 million Norway rats.
TrapX is an EPA-exempt rodent lure that is available in fruit formula for roof rats and protein formula for Norway rats and squirrels.
The threats posed by some species are obvious; for example, Norway rats (Rattus norvegicus) are decimating seabird colonies on islands in Alaska where mammalian predators were naturally absent.