Drones don’t faze birds | Science/AAAS | News

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In an effort to establish ethical guidelines for observing our feathered friends, scientists approached mallards, flamingos, and greenshanks with a quadcopter drone more than 200 times and watched for signs of disturbance. The researchers varied the color of the drone from black to blue to white; they approached at speeds of 2, 4, 6, and 8 m/s; and they approached at angles of 20°, 30°, 60°, and 90°. According to the results published online today in Biology Letters, the drone’s speed and color had no effect on whether the birds were bothered by the drone. The only variable that perturbed any of the three species was the angle of approach: When the drone dropped down on the birds from directly overhead (90°), all three species showed signs of disturbance such as moving away from the drone or flying away entirely.

via Drones don’t faze birds | Science/AAAS | News.

via Drones don’t faze birds | Science/AAAS | News.

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