Chicago’s rodent problem is well known, but a new pilot program testing rat birth control to curb the population in problem ...

Chicago's rodent problem is well known, but a new pilot program testing rat birth control to curb the population in problem areas is underway to help rein it in. The concept behind the program is ...

Two rodent control workers patrol Chicago’s alleys looking for telltale signs of rats. Two rodent control workers show Geoffrey Baer the telltale signs that rats have taken up residence in one of ...

Add Yahoo as a preferred source to see more of our stories on Google. FILE - Chicago's iconic Rat Hole along the 1900 block of West Roscoe Street in the Roscoe Village neighborhood is seen, Jan. 19, ...

In Chicago’s war on rats, it looks like feral cats either lack a certain killer instinct or they’re extremely picky eaters, according to a new study from Lincoln Park Zoo’s Urban Wildlife Institute.