Culling invasive species challenged. Study challenges costly practice of killing 'non-native' animals Conservation agencies worldwide spend millions of dollars annually killing healthy wild animals deemed "non-native" to protect local ecosystems. New research from Oxford University and Aarhus University in Denmark suggests that this common practice may be fundamentally flawed. Research reveals surprising similarities Scientists analyzed 221 studies comparing how native and introduced large mammals affect plant communities across the globe. Their findings challenge decades of conservation thinking. Both native and non-native large herbivores showed remarkably similar...