Image panel showing white rhino behavioural responses to the drone and scent deterrent experiments. from Using drones and sirens to elicit avoidance behaviour in white rhinoceros as an anti-poaching tactic

Figure S1. Some of the recorded responses to the drone and scent deterrent experiments. (A) Mother and calf alert to the drone hovering at the high-altitude treatment; (B) mother and calf running from the drone flown towards them at the low-altitude treatment; (C) subadult male chewing a sunflower oil-treated rope; (D) Adult bull crossing over and past the chilli-treated rope.