“Rats are associated with more than 50 pathogens that affect people,” which they transfer through their urine, feces, saliva ...

Brown rats live in families. They have two to 14 pups at a time, keep their nests (which they often build in the garden beds of public parks) relatively clean, and patrol small territories.

Rat populations are growing in cities around the world because of climate change. A new study explains why this is happening ...

“Rats are associated with more than 50 pathogens that affect people,” which they transfer through their urine, feces, saliva nest ... in it,” said Gerard Brown, who runs the city’s ...

The brown rat prefers urban environments and can often ... floorboards as they move along their trail between food and their nest. Nests: Rodents like to nest in secluded spots.

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 ...