ROSEVILLE -- Rodents are wreaking havoc in Roseville parks, but Placer County officials have found a creative way to give nature a chance to fight back ... wear down their teeth, to keep their ...

The best known is probably the naked mole rat, whose hairless, tubular, wrinkled body makes it appear a bit like a tiny walrus—or perhaps a bratwurst with teeth. Naked mole rats are rodents ...