Which IoT innovation has been most successful in combating elephant poaching in African wildlife reserves?

The natural world faces unprecedented challenges, but innovative technology offers new solutions. Internet of Things (IoT) devices are revolutionizing how we monitor, protect, and understand wildlife and ecosystems. From tracking endangered species to detecting illegal activities, these smart systems create a digital safety net for our planet's biodiversity. Test your knowledge about how IoT technology is being deployed to safeguard the natural world!

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Acoustic gunshot detection sensors that triangulate poacher locations and alert rangers in real-time
Drone-mounted thermal cameras that automatically distinguish between humans and animals based on movement patterns
GPS microchips embedded in artificial ivory that track illegal supply chains after being collected by poachers
AI-powered facial recognition collars that identify individual elephants and send alerts when they don't check in daily