Do Cats Keep Rats Away?

Cats may eat rats, but they also deter rats from coming near by, as cats mark their territory, not with urine, but by simply rubbing up against things. Even this scent of a cat can make rats scatter.

Will rats enter a house with cats?

Furthermore, rats reach places in your home too small for a cat to squeeze in. It's a temptation to put out poison in the nooks and crannies that can't be entered by cats.

Are rats naturally afraid of cats?

The felines are excellent at catching mice, but adult rats grow 10 times as big as mice. And rats are fierce. “Once rats get above a certain size, rats ignore cats and cats ignore them,” says Gregory Glass, a professor at the University of Florida who has studied cat and rat interactions in Baltimore.