What does brown rat mean?

Definitions for brown rat
brown rat

This dictionary definitions page includes all the possible meanings, example usage and translations of the word brown rat.

Princeton's WordNet

  1. brown rat, Norway rat, Rattus norvegicusnoun

    common domestic rat; serious pest worldwide

Wiktionary

  1. brown ratnoun

    A common species of rat, Rattus norvegicus.

Wikipedia

  1. Brown rat

    The brown rat (Rattus norvegicus), also known as the common rat, street rat, sewer rat, wharf rat, Hanover rat, Norway rat, Norwegian rat and Parisian rat, is a widespread species of common rat. One of the largest muroids, it is a brown or grey rodent with a head and body length of up to 28 cm (11 in) long, and a tail slightly shorter than that. It weighs between 140 and 500 g (4.9 and 17.6 oz). Thought to have originated in northern China and neighbouring areas, this rodent has now spread to all continents except Antarctica, and is the dominant rat in Europe and much of North America. With rare exceptions, the brown rat lives wherever humans live, particularly in urban areas. Selective breeding of the brown rat has produced the fancy rat (rats kept as pets), as well as the laboratory rat (rats used as model organisms in biological research). Both fancy rats and laboratory rats are of the domesticated subspecies Rattus norvegicus domestica. Studies of wild rats in New York City have shown that populations living in different neighborhoods can evolve distinct genomic profiles over time, by slowly accruing different traits.

ChatGPT

  1. brown rat

    The brown rat, also known as the common rat, street rat, sewer rat, Hanover rat, Norway rat, Norwegian rat, Parisian rat, or wharf rat, is a widespread species of common rat. Its scientific name is Rattus norvegicus. It is typically brown or dark grey, with a body up to 10 inches long and a similar tail length. Brown rats are omnivorous and are known for their ability to cause damage to properties due to their need to chew. They are also significant carriers of diseases, which can be spread to humans through their saliva, urine, and droppings.

Wikidata

  1. Brown rat

    The brown rat, common rat, street rat, sewer rat, Hanover rat, Norway rat, brown Norway rat, Norwegian rat, or wharf rat is one of the best known and most common rats. One of the largest muroids, it is a brown or grey rodent with a body up to 25 cm long, and a similar tail length; the male weighs on average 350 g and the female 250 g. Thought to have originated in northern China, this rodent has now spread to all continents except Antarctica, and is the dominant rat in Europe and much of North America—making it by at least this particular definition the most "successful" mammal on the planet after humans. Indeed, with rare exceptions, the brown rat lives wherever humans live, particularly in urban areas. Selective breeding of Rattus norvegicus has produced the laboratory rat, a model organism in biological research, as well as pet rats.

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Numerology

  1. Chaldean Numerology

    The numerical value of brown rat in Chaldean Numerology is: 2

  2. Pythagorean Numerology

    The numerical value of brown rat in Pythagorean Numerology is: 3


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"brown rat." Definitions.net. STANDS4 LLC, 2024. Web. 19 Mar. 2024. <https://www.definitions.net/definition/brown+rat>.

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