This article will help you compare rats vs mice, ... • Gray, black, brown or white • Average around 17 inches long • Have a median weight of 19 ounces • Have small, ...

“They are very clever,” Mr. Lignier said. (He named the white rat, which proved to be the cleverer of the two, Augustin, after himself. The brown and white rat he named Arthur, after his brother.) ...

For instance, brown rats (Norway rats) are relatively large, with bodies measuring between 7 to 10 inches (17.78 to 25.4 centimetres) and tails extending from 5 to 8 inches (12.7 to 20.32 ...

Rat and human lives have long intersected, but there's relatively little research about them. Thanks to advances in genomics and paleoarcheology, a lot more study may be on the horizon.

Rats in Boston may be spreading a potentially deadly disease, according to a Tufts University study. The disease is called ...

Brown rats are the undisputed winners of the real rat race. New research suggests that they crawled off ships arriving in North America earlier than previously thought and out-competed rodent ...

Other rats, such as the Sulawesi white-tailed rat and Hoffman’s rat, prefer vegetarian fare such as seed and fruits, according to Encyclopedia Britannica. Brown rats can have up to 22 young at once.

WASHINGTON (7News) — D.C.’s rat problem isn’t getting any better. Gerard Brown, who manages the District's Rodent and Vector Control Department said they are receiving more complaints and ...

Brown rats are the undisputed winners of the real rat race. New research suggests that they crawled off ships arriving in North America earlier than previously thought and out-competed rodent ...

Brown rats are the undisputed winners of the real rat race. New research suggests that they crawled off ships arriving in North America earlier than previously thought and out-competed rodent ...