It’s already an established fact that drones can be of great annoyance to humans: whether you’re the secret service, a California firefighter, or just a casual homeowner, the newly popular gadget can ruin your day any number of ways.
Now, animal scientists have proven that drones are also a nuisance, and even a terror, to wildlife. A group of researchers at the University of Minnesota strapped heartbeat monitors to four black bears and flew drones around them to test their reactions.