Horizon
Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Season 33 · Episode 4 ·
Nature's Numbers
Follows a group of biologists Conservation International who take a pragmatic approach to what species can be saved.They travel to the Bolivian rainforest to assess missing species.
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Episode 4 of season 33 of Horizon: “Nature's Numbers”. Aired 1996-01-29. Watch it online free on ZapFlix.