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 ...

Rat populations are rising dramatically in cities worldwide, and new research suggests that global warming, urbanization, and ...

There are old rat paths beneath the benches in at least two ferry sheds. In the spring and summer, multitudes of one species, the brown rat, live in twisting, many-chambered burrows in vacant lots ...

The rat is about 9-16 centimeters long and has spiny hairs among its brown and black fur. Read more at straitstimes.com.

Norway rats (Rattus norvegicus), like most species of rat, are very sociable and cooperate to help each other out Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news ...

Liam Fair found himself at the centre of an investigation after authorities were sent footage of him goading lurcher dog Jax into fatally attacking a domesticated brown rat.

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From surviving harsh winters in city sewers to shaping scientific research at the Wistar Institute housed at the University of Pennsylvania, rats have a story to tell about our shared past. “Brown ...

A male rat tries to mate with as many female rats as possible. Even though brown rats are also called Norway rats, the geographical name’s not accurate. They’re not from Norway. They’re from ...

Two species of rat live in Britain (brown and black) and there are four species of mice. The species, although naturally nocturnal, are known to appear regularly during the day too. They are ...