brown rat

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brown rat

n.
The common domestic rat (Rattus norvegicus), which is found worldwide and is a destructive pest of crops and stored food and a carrier of disease. Also called Norway rat.
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A Brown Rat and a Townsend's Chipmunk (Tamias townsendii) were actively foraging beneath bird feeders approximately 1.5 m from my viewpoint.
THE brown rat is one of the most common types of the rodent.
For their study, the researchers studied samples taken from 58 rodents, including 53 brown rats, 2 mice (Mus musculus) and 3 black rats (Rattus rattus).
Rare seabird colonies on the cliffs are under threat from 10,000 brown rats. The five-mile long island has a population of 14.
Brown rats, city pigeons, zebra mussels, kudzu, and other normative plants and animals are considered by the Department of the Interior to be the biggest threat to endangered species after habitat destruction and cost the U.S.
In Chapter 8 of his insightful narrative, ("Guayaquil as Rat City"), Daniel Gade recounts the historical emergence of black and brown rats in Guayaquil and their pervasive role in the city's social and natural imagery.
The alarm was raised after several of the long-tailed brown rats were seen near water fountains in the atrium.
We've had sightings of brown rats, the country's indigenous species, like every other area.
Plague-carrying fleas on brown rats are one well-known part of the story, but there is a bigger picture to be considered: we now also know that plague followed the caravan trade routes into Europe, and that it struck in the wake of fourteenth century population growth, mass migration, and the destruction of woodlands.
There are brown rats dubiously enjoying themselves in a low drinking den with helmeted Constable Rat coming in at the door, and by contrast a set of fashionable squirrels playing whist and lolling about in a lordly way in an upper-crust parlour.
In Europe, molecular analysis has shown circulation of SEOV in wild brown rats (Rattus norvegicus) and in pet rats in the United Kingdom, France, Belgium, the Netherlands, and Sweden; however, human SEOV infections have been diagnosed by using only serologic analysis (4).