NEW YORK, N.Y. (WKRC) - Officials have greenlit a plan to reduce their city's rat infestation using a "rat contraceptive." It should come as no surprise that New York City has a rat problem.

Mice also have more triangular snouts compared to the less pointed snouts of rats. Both rodents have long, thin tails, but rat tails are hairless, while mice tails are covered with fur.

But it boosts efforts to get rid of them, says city “rat czar” Kathleen Corradi. “It’s stressing out rats. It’s putting them in their burrows,” she says. “So we kind of get to double ...