The drones flew a series of trips over the island, lasting fifteen minutes at a time, where they dropped approximately 44lb, or 20 kg of poison. Specifically designed by Bells Lab, utilising a custom-made formula to deal with North Seymour’s extreme weather conditions. Visit site: http://www.pest-master.com/galapagos-island-uses-drones-to-deal-with-rat-infestation/