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 rivals ...

Brown said DC’s numbers could be so high because the city encourages residents to call in each rat sighting. Public reports of rats are very useful but can be flawed, said field ecologist Parsons.

The Japanese city is looking for experts to help verify the authenticity of a drawing of a rat that looks like one of Banksy’s most famous artworks. Advertisement. Japan. Asia East Asia.