New Zealand Plans to Eliminate Millions of Invasive Feral Cats to Protect Native Wildlife New Zealand has one of the world’s most fragile ecosystems, home to unique birds, reptiles, and insects found nowhere else on Earth. Many of these species evolved without natural mammalian predators, making them extremely vulnerable to invasive animals introduced by humans. Under its long-term Predator Free 2050 strategy, New Zealand aims to remove invasive predators—including feral (wild) cats, rats, and s