Flying RC pilotless aircraft is staggeringly play , but also continuously stressful : at any fourth dimension you ’re liable to chop up someone ’s hand open , or crash your $ 1000 toy dog into a power line . As it turns out , humans are n’t the only one who get accent by nearby UAVs .
According to research published inCurrent Biology , black bears have a very substantial , measurable reaction to the presence of nearby drones . By examining GPS and heart - charge per unit datum , researchers found that fly small quadcopter aircraft over bears — as part of a scientific bailiwick , not just a general middle finger to nature — cause specific behavior patterns and an elevated heart rate .
It ’s not minor changes , either : one bear lift her heart rate by 400 pct , from 41 to 162 beats per minute . In other dustup , the bears did n’t much like have their personal space invaded by a buzzing , flashing aircraft .
That ’s not much of a surprise , but it is a underage problem — quadrotor aircraft , being minor , nimble , and brassy , are actually afantastic wayof canvas ecosystems . But if that observance causes behavioural changes in the very things being studied , it ’s short a lot less utile .
[ Current BiologyviaThe Register ]
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