
New breeds of winged beasts are lurking in the skies. Bearing names like Reaper, Vulture and Demon, they look nothing like their feathered brethren. Better known as unmanned aerial vehicles, or UAVs, these strange and wily birds are quietly infiltrating vast swaths of airspace, from battlefields to backyards.
With hundreds of different species, from spy craft to airborne sheepherders, UAVs have in the past decade morphed into a full-blown kingdom of creatures deserving of its own taxonomy.
via popsci
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