Sometimes you scare the bear, sometimes the bear, well, he scares you.
http://arstechnica.com/science/2015/08/drones-used-to-monitor-bears-send-their-heart-rates-through-the-roof/
Drones Stress Out Bears
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Sometimes you scare the bear, sometimes the bear, well, he scares you.
http://arstechnica.com/science/2015/08/drones-used-to-monitor-bears-send-their-heart-rates-through-the-roof/