2022 World Wildlife Day Film Showcase

Nature's Fear Factor

Expired May 16, 2022 5:45 AM
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A NOVA Production by HHMI Tangled Bank Studios for WGBH Boston


A bold experiment to bring African wild dogs back to Gorongosa National Park in Mozambique reveals how predators—and the fear they trigger—play a surprising and crucial role in keeping wild ecosystems healthy. Until recently, the impact of predators was thought to be simple: predators eat prey, keeping populations in check. But ecologists are realizing that it’s not all about consumption. Just the presence of predators can cause significant changes in behavior. Scientists call this the “landscape of fear,” and in Gorongosa, they are hoping to harness its effects to help bring an ecosystem back from the brink.  

  • Runtime
    53 minutes