Gallery: Droning for the Planet: How Conservationists Use Drones to Pro...

Photo by Edward Louis Tendro Ramaharita
 
Twenty years ago I had a tsetse fly-filled conversation with some hardened and battle-scarred rangers about how to count rhinos in the very thick Miombo woodlands of southern Tanzania. Over the droning of those persistent and painful flies, we talked of getting a hobbyists’ radio-controlled airplane and attaching an infrared video camera for night flights to pick up the heat signatures of rhinos. Only elephants would have a bigger glow, so identification would be simple. Lots of ground could be surveyed, dense, dangerous thickets could be avoided, and poachers’ fires could be easily located by the handful of rangers responsible for a vast protected area. But small, infrared video cameras were not yet readily available to non-military types - ditto satellite tracking and GPS - and the hand-held radio range of the planes of the day was rather limited, so the rangers continued to walk transects and gingerly pick their way through tangled thickets, the haunts of slumbering and cranky rhinos and well-armed poachers.

Photo by Conservation Drones

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