Brown Rat


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Brown Rat

 

(Rattus norvegiens), a mammal of the order Rodentia.

References in periodicals archive ?
The maximum life span for a brown rat is up to three years, but one is more common.
Washington, November 24 (ANI): A new study suggests that brown rats, the biggest and most common rats in Europe, may be carrying the bacteria that can cause serious heart disease in humans.
Like its brown rat cousin, the grey squirrel is a great carrier of disease, especially to any reds in the neighbourhood and does immense damage to young trees and plants.
Meanwhile, the brown rat population has swelled by 29% since 1998 - with experts reckoning there is now one rodent for every person in Britain.
In tonight's show, the surgical consultant - Mr Ron - sets junior doctor Flynn three tasks - to find the big brown rat that's been running around the wards, to get himself a clean white coat that isn't covered in pus, bile, blood and chicken korma, and to have a shower in Nurse Judy's room.
Whether it is plant life or animals, invasive species like the Japanese knotweed, the American grey squirrel or the Scandinavian brown rat, all use up the resources of their native competitors and often carry diseases that local species are unable to fight off.
Last month the National Pest Technicians Association reported that, in Wales alone, brown rat infestations rose 14% over 12 months and house mice 25%.
Numbers of brown rat infestations reported also rocketed by 11 per cent in the same year.
A survey released by the National Pest Technicians Association has revealed an "alarming" increase in brown rat numbers across the UK.
Researchers from the University of Auckland in New Zealand captured the wild brown rat using a live trap and set it free on Motuhoropapa, an uninhabited forested island off the north-east coast of New Zealand.
New figures show the brown rat population rose by 15 per cent last year - more than seven times the UK national average.