Abandoning domestic cats outdoors to kill native wildlife is cruel to both the cats and wildlife. Each roaming cat kills hundreds of small, intelligent, curious, gentle wild animals every single year. Whether or not they are fed by people, cats hunt and kill other animals. And they don't just kill them: they frighten them, stalk them, and play with them when they're injured and dying. These small native animals are disappearing from our planet. They are struggling to survive human encroachment and environmental degradation from human activity. It's WRONG to add to their struggle by releasing hordes of domestic cats on them. Abandoned cats also suffer--they freeze in the winter, swelter in the summer, are hit by cars, attacked by dogs and cruel people, spread and succumb to diseases, infections, parasites, and more. Cats and wildlife deserve our compassion and protection. Trapping, neutering, and abandoning cats outdoors endangers them both.