Nature
The Serengeti Rules
Five scientists who learned that keystone species can make or break the ecosystems they live in recall stories of their adventures in the wilderness in the 1960s. (60 minutes)
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UPCOMING EPISODES
Wed, 1/7 at 7:00 pm on Austin PBS HDTV
Hummingbirds of Hollywood
A woman finds herself on a transformative journey as she nurtures wounded hummingbirds amid the glamour of Hollywood. (60 minutes)