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The hippopotamus is one of the most dangerous animals in Africa. This is precisely the reason their actual numbers are hard to count. Elusive amphibious mammals, they surface only sporadically. So researchers are turning to optical technology to capture the activity of hippos when it may be difficult to monitor them from the ground.
Some observers have taken to using elaborate costumes to try to blend in and prevent aggression from the large animals. Researchers at the University of New South Wales (UNSW) have found that studying the animals can be just as effective when humans are not there at all.
A UNSW study shows that using a drone to film hippos in Africa is an effective, affordable tool for conservationists to monitor…READ MORE