Conservationists can never perfectly manage an ecosystem, but this is a problem that's creating an obvious ecological imbalance and should—and can—be addressed.
Vigilantes who hunt down feral cats run up against animal-cruelty laws and social norms; one Texas veterinarian sparked outrage after she bragged on Facebook about killing what she thought was a feral tomcat with a bow and arrow.
A new study involving more than 1,200 animals attempts to establish a profile of people who have so many pets that they're unable to care for them properly.