Arizona PBS Previews

Nova: Nature's Fear Factor

Preview | 30s

When top predators disappeared from Mozambique's Gorongosa National Park, other animals fell into unusual patterns. Now scientists are reintroducing wild dogs to restore the park's "landscape of fear" and with it the natural balance of the ecosystem.

Aired: 10/14/20

Rating: NR

Problems Playing Video? | Closed Captioning

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