This is an option that could be implemented right away without a lot of red tape. Most feral cats are not wild. Rather, they are former pets mercilessly dumped by their owners. If they could hunt successfully, we would not need to feed them. Denying the cats food will starve them.
Maintained colonies grow only if ignorant people continue dumping pets.
When I had to declare my high school major three years ago, I hastily selected journalism because I thought it would be awesome to be an MTV veejay. Now as a junior, I have suffered the agony of learning how to write cheesy headlines and manipulate quotes, and I hate it. However, it was MTV that sparked my interest in Hawaii. I've since been hooked on your online edition. It is one of the highest qualities I've ever seen in a newspaper.