Keeping hungry jumbos at bay
Nottingham UK (SPX) Apr 05, 2015 - Until now electric fences and trenches have proved to be the most effective way of protecting farms and villages from night time raids by hungry elephants. But researchers think they may have come up with another solution - the recorded sound of angry predators. Using an infrared sensor playback system elephants triggered the sound of growling tigers, leopards and angry shouts of villagers ... more
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