To protect wildlife from free-roaming cats, a zone defense may be more effective than trying to get every feline off the street
- Written by Daniel Herrera, PhD Student in Environmental Science and Policy, George Mason University

Should domestic cats be allowed to roam freely outdoors? It’s a contentious issue. Those who say yes assert that they’re defending outdoor cats and the people who care for them. Critics respond that free-roaming cats kill so many birds, reptiles, mammals and important insects like...