Recent technological advances have made it entirely practical to put up “trap cameras” – automatic cameras that take pictures when they sense an animal is in range. These digital cameras can be in very remote areas, and store the photos – sometimes for months – before the scientists collect them. Scientists have been deluged with far more photographs than they've ever had before, leading to all sorts of research opportunities. Some of them get turned into animated GIFs, like the one at right.
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