Nature.

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, 3/18 at 7:00 pm on Austin PBS HDTV

Portugal: Wild Land on the Edge

Discovering the wildlife and landscapes of Portugal -- including wild horses, storks, monk seals and more -- from forests to coasts. (60 minutes)

Thu, 3/19 at 12:00 am on Austin PBS HDTV

Portugal: Wild Land on the Edge

Discovering the wildlife and landscapes of Portugal -- including wild horses, storks, monk seals and more -- from forests to coasts. (60 minutes)

Thu, 3/19 at 3:00 am on Austin PBS HDTV

Portugal: Wild Land on the Edge

Discovering the wildlife and landscapes of Portugal -- including wild horses, storks, monk seals and more -- from forests to coasts. (60 minutes)

Sun, 3/22 at 4:00 am on Austin PBS HDTV

Portugal: Wild Land on the Edge

Discovering the wildlife and landscapes of Portugal -- including wild horses, storks, monk seals and more -- from forests to coasts. (60 minutes)

Sun, 3/22 at 5:00 pm on Austin PBS HDTV

Portugal: Wild Land on the Edge

Discovering the wildlife and landscapes of Portugal -- including wild horses, storks, monk seals and more -- from forests to coasts. (60 minutes)

Wed, 3/25 at 7:00 pm on Austin PBS HDTV

Raptors: A Fistful of Daggers: Meet the Raptors

The many species of raptors, from giant eagles to miniature falconets, and how they survive bitter winters, learn to hunt and undergo epic migrations. (60 minutes)